10156428 has 66 divisors (see below), whose sum is σ = 27280484. Its totient is φ = 3306744.

The previous prime is 10156427. The next prime is 10156441. The reversal of 10156428 is 82465101.

10156428 is a `hidden beast` number, since 1 + 0 + 15 + 642 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (10156423) 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 21 ways as a sum of consecutive naturals, for example, 236175 + ... + 236217.

Almost surely, 2^10156428 is an apocalyptic number.

10156428 is a gapful number since it is divisible by the number (18) 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 10156428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13640242).

10156428 is an abundant number, since it is smaller than the sum of its proper divisors (17124056).

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

10156428 is an frugal number, since it uses more digits than its factorization.

10156428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 10156428 is about 3186.9151228108. The cubic root of 10156428 is about 216.5610414812.

The spelling of 10156428 in words is "ten million, one hundred fifty-six thousand, four hundred twenty-eight".