28050156 has 72 divisors (see below), whose sum is σ = 77925120. Its totient is φ = 8468064.

The previous prime is 28050151. The next prime is 28050161. The reversal of 28050156 is 65105082.

It is an interprime number because it is at equal distance from previous prime (28050151) and next prime (28050161).

It is a super-2 number, since 2×28050156² = 1573622503248672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28050151) 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 23 ways as a sum of consecutive naturals, for example, 14841 + ... + 16623.

Almost surely, 2^28050156 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 28050156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38962560).

28050156 is an abundant number, since it is smaller than the sum of its proper divisors (49874964).

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

28050156 is a wasteful number, since it uses less digits than its factorization.

28050156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 28050156 is about 5296.2397981965. The cubic root of 28050156 is about 303.8401023154.

The spelling of 28050156 in words is "twenty-eight million, fifty thousand, one hundred fifty-six".