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70144484 = 2263127791
BaseRepresentation
bin1000010111001…
…01000111100100
311212222201010212
410023211013210
5120424110414
610543234552
71511134604
oct413450744
9155881125
1070144484
113665a653
121b5a8a58
13116bc517
14945cc04
15625883e
hex42e51e4

70144484 has 12 divisors (see below), whose sum is σ = 122951808. Its totient is φ = 35015400.

The previous prime is 70144471. The next prime is 70144507. The reversal of 70144484 is 48444107.

It is a self number, because there is not a number n which added to its sum of digits gives 70144484.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11372 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (10245984).

Almost surely, 270144484 is an apocalyptic number.

It is an amenable number.

70144484 is a deficient number, since it is larger than the sum of its proper divisors (52807324).

70144484 is a wasteful number, since it uses less digits than its factorization.

70144484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28426 (or 28424 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 70144484 is about 8375.2303848909. The cubic root of 70144484 is about 412.4118873936.

The spelling of 70144484 in words is "seventy million, one hundred forty-four thousand, four hundred eighty-four".

Divisors: 1 2 4 631 1262 2524 27791 55582 111164 17536121 35072242 70144484