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140669200 = 2452727177
BaseRepresentation
bin10000110001001…
…11000100010000
3100210200201212101
420120213010100
5242002403300
621543010144
73325445200
oct1030470420
9323621771
10140669200
1172449941
123b139954
13231b2b19
141497a400
15c539b6a
hex8627110

140669200 has 90 divisors (see below), whose sum is σ = 393189306. Its totient is φ = 48222720.

The previous prime is 140669189. The next prime is 140669231. The reversal of 140669200 is 2966041.

It can be written as a sum of positive squares in 3 ways, for example, as 33918976 + 106750224 = 5824^2 + 10332^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16012 + ... + 23188.

Almost surely, 2140669200 is an apocalyptic number.

140669200 is a gapful number since it is divisible by the number (10) 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 140669200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196594653).

140669200 is an abundant number, since it is smaller than the sum of its proper divisors (252520106).

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

140669200 is a wasteful number, since it uses less digits than its factorization.

140669200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209 (or 7191 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 140669200 is about 11860.4047148485. The cubic root of 140669200 is about 520.0754328439.

The spelling of 140669200 in words is "one hundred forty million, six hundred sixty-nine thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 49 50 56 70 80 98 100 112 140 175 196 200 245 280 350 392 400 490 560 700 784 980 1225 1400 1960 2450 2800 3920 4900 7177 9800 14354 19600 28708 35885 50239 57416 71770 100478 114832 143540 179425 200956 251195 287080 351673 358850 401912 502390 574160 703346 717700 803824 1004780 1255975 1406692 1435400 1758365 2009560 2511950 2813384 2870800 3516730 4019120 5023900 5626768 7033460 8791825 10047800 14066920 17583650 20095600 28133840 35167300 70334600 140669200