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42660711 = 3229792069
BaseRepresentation
bin1010001010111…
…1001101100111
32222021101111100
42202233031213
541410120321
64122211143
71025416152
oct242571547
988241440
1042660711
1122098695
1212353ab3
138ab8932
145946c99
153b2a326
hex28af367

42660711 has 24 divisors (see below), whose sum is σ = 64584000. Its totient is φ = 27099072.

The previous prime is 42660677. The next prime is 42660727. The reversal of 42660711 is 11706624.

42660711 is a `hidden beast` number, since 42 + 6 + 607 + 11 = 666.

It is not a de Polignac number, because 42660711 - 26 = 42660647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42660781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19585 + ... + 21653.

It is an arithmetic number, because the mean of its divisors is an integer number (2691000).

Almost surely, 242660711 is an apocalyptic number.

42660711 is a deficient number, since it is larger than the sum of its proper divisors (21923289).

42660711 is a wasteful number, since it uses less digits than its factorization.

42660711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42660711 is about 6531.5167457490. The cubic root of 42660711 is about 349.4159265315.

The spelling of 42660711 in words is "forty-two million, six hundred sixty thousand, seven hundred eleven".

Divisors: 1 3 9 29 79 87 237 261 711 2069 2291 6207 6873 18621 20619 60001 163451 180003 490353 540009 1471059 4740079 14220237 42660711