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61613676 = 2233570497
BaseRepresentation
bin1110101100001…
…0011001101100
311021221022002000
43223002121230
5111233114201
610040332300
71345464465
oct353023154
9137838060
1061613676
11318632a3
1218774090
13c9c35c7
14827bd6c
155620d86
hex3ac266c

61613676 has 24 divisors (see below), whose sum is σ = 159739440. Its totient is φ = 20537856.

The previous prime is 61613653. The next prime is 61613677. The reversal of 61613676 is 67631616.

61613676 is a `hidden beast` number, since 616 + 1 + 36 + 7 + 6 = 666.

61613676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×616136763 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61613676.

It is not an unprimeable number, because it can be changed into a prime (61613677) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 285141 + ... + 285356.

It is an arithmetic number, because the mean of its divisors is an integer number (6655810).

Almost surely, 261613676 is an apocalyptic number.

It is an amenable number.

61613676 is an abundant number, since it is smaller than the sum of its proper divisors (98125764).

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

61613676 is a wasteful number, since it uses less digits than its factorization.

61613676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570510 (or 570502 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 61613676 is about 7849.4379416618. The cubic root of 61613676 is about 394.9653892657.

The spelling of 61613676 in words is "sixty-one million, six hundred thirteen thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 570497 1140994 1711491 2281988 3422982 5134473 6845964 10268946 15403419 20537892 30806838 61613676