Search a number
-
+
61312606 = 2311496637
BaseRepresentation
bin1110100111100…
…0111001011110
311021101000002021
43221320321132
5111144000411
610030050354
71343101645
oct351707136
9137330067
1061312606
1131678083
12186499ba
13c919564
14820035c
1555b1a71
hex3a78e5e

61312606 has 16 divisors (see below), whose sum is σ = 95587200. Its totient is φ = 29463840.

The previous prime is 61312579. The next prime is 61312607. The reversal of 61312606 is 60621316.

It is a super-2 number, since 2×613126062 = 7518471309022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61312607) 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, 5920 + ... + 12556.

It is an arithmetic number, because the mean of its divisors is an integer number (5974200).

Almost surely, 261312606 is an apocalyptic number.

61312606 is a deficient number, since it is larger than the sum of its proper divisors (34274594).

61312606 is a wasteful number, since it uses less digits than its factorization.

61312606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 61312606 is about 7830.2366503191. The cubic root of 61312606 is about 394.3210169454.

The spelling of 61312606 in words is "sixty-one million, three hundred twelve thousand, six hundred six".

Divisors: 1 2 31 62 149 298 4619 6637 9238 13274 205747 411494 988913 1977826 30656303 61312606