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66460044 = 2237791191
BaseRepresentation
bin1111110110000…
…1100110001100
311122001112001010
43331201212030
5114003210134
610332245220
71434621030
oct375414614
9148045033
1066460044
1134573462
121a310810
13109cc491
148b801c0
155c7bce9
hex3f6198c

66460044 has 24 divisors (see below), whose sum is σ = 177227008. Its totient is φ = 18988560.

The previous prime is 66460033. The next prime is 66460061. The reversal of 66460044 is 44006466.

It is a super-4 number, since 4×664600444 (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66459993 and 66460020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395512 + ... + 395679.

Almost surely, 266460044 is an apocalyptic number.

It is an amenable number.

66460044 is an abundant number, since it is smaller than the sum of its proper divisors (110766964).

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

66460044 is a wasteful number, since it uses less digits than its factorization.

66460044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791205 (or 791203 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 66460044 is about 8152.3029874999. The cubic root of 66460044 is about 405.0607925813.

The spelling of 66460044 in words is "sixty-six million, four hundred sixty thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 791191 1582382 2373573 3164764 4747146 5538337 9494292 11076674 16615011 22153348 33230022 66460044