28307150 has 48 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 10568160.

The previous prime is 28307143. The next prime is 28307173. The reversal of 28307150 is 5170382.

It is a super-2 number, since 2×28307150² = 1602589482245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78671 + ... + 79029.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^28307150 is an apocalyptic number.

28307150 is a deficient number, since it is larger than the sum of its proper divisors (27939250).

28307150 is a wasteful number, since it uses less digits than its factorization.

28307150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 28307150 is about 5320.4464098419. The cubic root of 28307150 is about 304.7652049455.

The spelling of 28307150 in words is "twenty-eight million, three hundred seven thousand, one hundred fifty".