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47080660 = 22511214003
BaseRepresentation
bin1011001110011…
…0010011010100
310021120221112011
42303212103110
544023040120
64401034004
71111115254
oct263462324
9107527464
1047080660
1124637440
1213925904
1399a56a3
146377964
1541eec5a
hex2ce64d4

47080660 has 24 divisors (see below), whose sum is σ = 107858016. Its totient is φ = 17120160.

The previous prime is 47080591. The next prime is 47080681. The reversal of 47080660 is 6608074.

47080660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 106782 + ... + 107221.

It is an arithmetic number, because the mean of its divisors is an integer number (4494084).

Almost surely, 247080660 is an apocalyptic number.

It is an amenable number.

47080660 is an abundant number, since it is smaller than the sum of its proper divisors (60777356).

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

47080660 is a wasteful number, since it uses less digits than its factorization.

47080660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214023 (or 214021 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 47080660 is about 6861.5348137279. The cubic root of 47080660 is about 361.0889353553.

The spelling of 47080660 in words is "forty-seven million, eighty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 214003 428006 856012 1070015 2140030 2354033 4280060 4708066 9416132 11770165 23540330 47080660