Search a number
-
+
13951400 = 235279883
BaseRepresentation
bin110101001110…
…000110101000
3222020210201112
4311032012220
512032421100
61215005452
7226404431
oct65160650
928223645
1013951400
117969991
124809888
132b76288
141bd2488
151358b35
hexd4e1a8

13951400 has 48 divisors (see below), whose sum is σ = 32884800. Its totient is φ = 5503680.

The previous prime is 13951397. The next prime is 13951403. The reversal of 13951400 is 415931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13951397) and next prime (13951403).

It is not an unprimeable number, because it can be changed into a prime (13951403) 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 11 ways as a sum of consecutive naturals, for example, 15359 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (685100).

Almost surely, 213951400 is an apocalyptic number.

13951400 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 13951400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16442400).

13951400 is an abundant number, since it is smaller than the sum of its proper divisors (18933400).

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

13951400 is a wasteful number, since it uses less digits than its factorization.

13951400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13951400 is about 3735.1572925380. The cubic root of 13951400 is about 240.7350151900.

The spelling of 13951400 in words is "thirteen million, nine hundred fifty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 79 100 158 200 316 395 632 790 883 1580 1766 1975 3160 3532 3950 4415 7064 7900 8830 15800 17660 22075 35320 44150 69757 88300 139514 176600 279028 348785 558056 697570 1395140 1743925 2790280 3487850 6975700 13951400