61238028 has 12 divisors (see below), whose sum is σ = 142888760. Its totient is φ = 20412672.

The previous prime is 61237993. The next prime is 61238033. The reversal of 61238028 is 82083216.

61238028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61237986 and 61238004.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2551573 + ... + 2551596.

Almost surely, 2^61238028 is an apocalyptic number.

It is an amenable number.

61238028 is an abundant number, since it is smaller than the sum of its proper divisors (81650732).

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

61238028 is a wasteful number, since it uses less digits than its factorization.

61238028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103176 (or 5103174 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 61238028 is about 7825.4730208467. The cubic root of 61238028 is about 394.1610737396.

The spelling of 61238028 in words is "sixty-one million, two hundred thirty-eight thousand, twenty-eight".