Search a number
-
+
56660373 = 3271181761
BaseRepresentation
bin1101100000100…
…1000110010101
310221121122102100
43120021012111
5104001112443
65342232313
71255414410
oct330110625
9127548370
1056660373
1129a8a860
1216b85699
13b97ab63
14774cb77
154e933d3
hex3609195

56660373 has 24 divisors (see below), whose sum is σ = 102038976. Its totient is φ = 29433600.

The previous prime is 56660363. The next prime is 56660377. The reversal of 56660373 is 37306665.

It is not a de Polignac number, because 56660373 - 26 = 56660309 is a prime.

It is a super-5 number, since 5×566603735 (a number of 40 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56660377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40188 + ... + 41573.

It is an arithmetic number, because the mean of its divisors is an integer number (4251624).

Almost surely, 256660373 is an apocalyptic number.

It is an amenable number.

56660373 is a deficient number, since it is larger than the sum of its proper divisors (45378603).

56660373 is a wasteful number, since it uses less digits than its factorization.

56660373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81785 (or 81782 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 56660373 is about 7527.3084831167. The cubic root of 56660373 is about 384.0842303834.

The spelling of 56660373 in words is "fifty-six million, six hundred sixty thousand, three hundred seventy-three".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 81761 245283 572327 735849 899371 1716981 2698113 5150943 6295597 8094339 18886791 56660373