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10157728 = 257137331
BaseRepresentation
bin100110101111…
…111010100000
3201010001210011
4212233322200
510100021403
61001414304
7152224240
oct46577240
921101704
1010157728
115808719
12349a394
1321485b9
1414c5b20
15d59a6d
hex9afea0

10157728 has 48 divisors (see below), whose sum is σ = 23091264. Its totient is φ = 4308480.

The previous prime is 10157701. The next prime is 10157729. The reversal of 10157728 is 82775101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10157728.

It is not an unprimeable number, because it can be changed into a prime (10157729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30523 + ... + 30853.

It is an arithmetic number, because the mean of its divisors is an integer number (481068).

Almost surely, 210157728 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 10157728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11545632).

10157728 is an abundant number, since it is smaller than the sum of its proper divisors (12933536).

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

10157728 is a wasteful number, since it uses less digits than its factorization.

10157728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 10157728 is about 3187.1190752779. The cubic root of 10157728 is about 216.5702808628.

The spelling of 10157728 in words is "ten million, one hundred fifty-seven thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 137 224 274 331 548 662 959 1096 1324 1918 2192 2317 2648 3836 4384 4634 5296 7672 9268 10592 15344 18536 30688 37072 45347 74144 90694 181388 317429 362776 634858 725552 1269716 1451104 2539432 5078864 10157728