215150472 has 32 divisors (see below), whose sum is σ = 597640800. Its totient is φ = 71716752.

The previous prime is 215150461. The next prime is 215150483. The reversal of 215150472 is 274051512.

215150472 is a `hidden beast` number, since 2 + 151 + 504 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (215150461) and next prime (215150483).

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

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, 497818 + ... + 498249.

It is an arithmetic number, because the mean of its divisors is an integer number (18676275).

Almost surely, 2^215150472 is an apocalyptic number.

It is an amenable number.

215150472 is an abundant number, since it is smaller than the sum of its proper divisors (382490328).

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

215150472 is a wasteful number, since it uses less digits than its factorization.

215150472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996082 (or 996072 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 215150472 is about 14668.0084537745. The cubic root of 215150472 is about 599.2123665082.

The spelling of 215150472 in words is "two hundred fifteen million, one hundred fifty thousand, four hundred seventy-two".