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61938804 = 2235161567
BaseRepresentation
bin1110110001000…
…1110001110100
311022112211001210
43230101301310
5111324020204
610051321420
71351320414
oct354216164
9138484053
1061938804
1131a655a4
12188b0270
13caa85a5
148324644
155687389
hex3b11c74

61938804 has 12 divisors (see below), whose sum is σ = 144523904. Its totient is φ = 20646264.

The previous prime is 61938781. The next prime is 61938827. The reversal of 61938804 is 40883916.

61938804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61938781) and next prime (61938827).

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

It is a congruent number.

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, 2580772 + ... + 2580795.

Almost surely, 261938804 is an apocalyptic number.

It is an amenable number.

61938804 is an abundant number, since it is smaller than the sum of its proper divisors (82585100).

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

61938804 is a wasteful number, since it uses less digits than its factorization.

61938804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161574 (or 5161572 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 61938804 is about 7870.1209647629. The cubic root of 61938804 is about 395.6588992114.

The spelling of 61938804 in words is "sixty-one million, nine hundred thirty-eight thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 5161567 10323134 15484701 20646268 30969402 61938804