Search a number
-
+
61936937 = 4110114957
BaseRepresentation
bin1110110001000…
…1010100101001
311022112201111122
43230101110221
5111323440222
610051305025
71351312106
oct354212451
9138481448
1061936937
1131a64157
12188ab175
13caa779a
148323aad
155686a42
hex3b11529

61936937 has 8 divisors (see below), whose sum is σ = 64080072. Its totient is φ = 59824000.

The previous prime is 61936883. The next prime is 61936939. The reversal of 61936937 is 73963916.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4541161 + 57395776 = 2131^2 + 7576^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61936937 - 26 = 61936873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61936939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3338 + ... + 11619.

It is an arithmetic number, because the mean of its divisors is an integer number (8010009).

Almost surely, 261936937 is an apocalyptic number.

It is an amenable number.

61936937 is a deficient number, since it is larger than the sum of its proper divisors (2143135).

61936937 is a wasteful number, since it uses less digits than its factorization.

61936937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15099.

The product of its digits is 183708, while the sum is 44.

The square root of 61936937 is about 7870.0023506985. The cubic root of 61936937 is about 395.6549237682.

The spelling of 61936937 in words is "sixty-one million, nine hundred thirty-six thousand, nine hundred thirty-seven".

Divisors: 1 41 101 4141 14957 613237 1510657 61936937