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15072112 = 2411292953
BaseRepresentation
bin111001011111…
…101101110000
31001100202001101
4321133231300
512324301422
61255014144
7242053006
oct71375560
931322041
1015072112
1185649a0
12506a354
133179413
142004a76
1514cac27
hexe5fb70

15072112 has 40 divisors (see below), whose sum is σ = 32966640. Its totient is φ = 6612480.

The previous prime is 15072103. The next prime is 15072131. The reversal of 15072112 is 21127051.

It is a self number, because there is not a number n which added to its sum of digits gives 15072112.

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, 3628 + ... + 6580.

It is an arithmetic number, because the mean of its divisors is an integer number (824166).

Almost surely, 215072112 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 15072112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16483320).

15072112 is an abundant number, since it is smaller than the sum of its proper divisors (17894528).

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

15072112 is a wasteful number, since it uses less digits than its factorization.

15072112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 15072112 is about 3882.2818032698. The cubic root of 15072112 is about 247.0157835478.

Adding to 15072112 its reverse (21127051), we get a palindrome (36199163).

The spelling of 15072112 in words is "fifteen million, seventy-two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 29 44 58 88 116 176 232 319 464 638 1276 2552 2953 5104 5906 11812 23624 32483 47248 64966 85637 129932 171274 259864 342548 519728 685096 942007 1370192 1884014 3768028 7536056 15072112