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15140192 = 255379113
BaseRepresentation
bin111001110000…
…010101100000
31001111012102212
4321300111200
512333441232
61300301252
7242455334
oct71602540
931435385
1015140192
118601061
1250a1828
1331a13c2
1420217c4
1514e0eb2
hexe70560

15140192 has 48 divisors (see below), whose sum is σ = 31026240. Its totient is φ = 7268352.

The previous prime is 15140137. The next prime is 15140201. The reversal of 15140192 is 29104151.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133928 + ... + 134040.

It is an arithmetic number, because the mean of its divisors is an integer number (646380).

Almost surely, 215140192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15140192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15513120).

15140192 is an abundant number, since it is smaller than the sum of its proper divisors (15886048).

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

15140192 is a wasteful number, since it uses less digits than its factorization.

15140192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 15140192 is about 3891.0399638143. The cubic root of 15140192 is about 247.3871444121.

The spelling of 15140192 in words is "fifteen million, one hundred forty thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 53 79 106 113 158 212 226 316 424 452 632 848 904 1264 1696 1808 2528 3616 4187 5989 8374 8927 11978 16748 17854 23956 33496 35708 47912 66992 71416 95824 133984 142832 191648 285664 473131 946262 1892524 3785048 7570096 15140192