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47164044 = 2233930337
BaseRepresentation
bin1011001111101…
…0101010001100
310021202011220110
42303322222030
544033222134
64402520020
71111613334
oct263725214
9107664813
1047164044
1124694054
1213966010
139a04625
14639a0c4
1542197e9
hex2cfaa8c

47164044 has 12 divisors (see below), whose sum is σ = 110049464. Its totient is φ = 15721344.

The previous prime is 47163979. The next prime is 47164049. The reversal of 47164044 is 44046174.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (47164049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965157 + ... + 1965180.

Almost surely, 247164044 is an apocalyptic number.

It is an amenable number.

47164044 is an abundant number, since it is smaller than the sum of its proper divisors (62885420).

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

47164044 is a wasteful number, since it uses less digits than its factorization.

47164044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930344 (or 3930342 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 47164044 is about 6867.6083173111. The cubic root of 47164044 is about 361.3019830767.

The spelling of 47164044 in words is "forty-seven million, one hundred sixty-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 3930337 7860674 11791011 15721348 23582022 47164044