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3139200 = 273252109
BaseRepresentation
bin1011111110011010000000
312220111011200
423332122000
51300423300
6151141200
735453121
oct13763200
95814150
103139200
111854589
121074800
1385bb1c
145ba048
15420200
hex2fe680

3139200 has 144 divisors (see below), whose sum is σ = 11304150. Its totient is φ = 829440.

The previous prime is 3139193. The next prime is 3139207. The reversal of 3139200 is 29313.

3139200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3139193) and next prime (3139207).

It can be written as a sum of positive squares in 3 ways, for example, as 2585664 + 553536 = 1608^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3139207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28746 + ... + 28854.

Almost surely, 23139200 is an apocalyptic number.

3139200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3139200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5652075).

3139200 is an abundant number, since it is smaller than the sum of its proper divisors (8164950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3139200 is a wasteful number, since it uses less digits than its factorization.

3139200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3139200 is about 1771.7787672280. The cubic root of 3139200 is about 146.4219979486.

The spelling of 3139200 in words is "three million, one hundred thirty-nine thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 109 120 128 144 150 160 180 192 200 218 225 240 288 300 320 327 360 384 400 436 450 480 545 576 600 640 654 720 800 872 900 960 981 1090 1152 1200 1308 1440 1600 1635 1744 1800 1920 1962 2180 2400 2616 2725 2880 3200 3270 3488 3600 3924 4360 4800 4905 5232 5450 5760 6540 6976 7200 7848 8175 8720 9600 9810 10464 10900 13080 13952 14400 15696 16350 17440 19620 20928 21800 24525 26160 28800 31392 32700 34880 39240 41856 43600 49050 52320 62784 65400 69760 78480 87200 98100 104640 125568 130800 156960 174400 196200 209280 261600 313920 348800 392400 523200 627840 784800 1046400 1569600 3139200