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70657044 = 2235888087
BaseRepresentation
bin1000011011000…
…10010000010100
311220221202020120
410031202100110
5121042011134
611002231540
71515401133
oct415422024
9156852216
1070657044
113697a757
121b7b55b0
131183b903
14955391a
15630a649
hex4362414

70657044 has 12 divisors (see below), whose sum is σ = 164866464. Its totient is φ = 23552344.

The previous prime is 70657039. The next prime is 70657051. The reversal of 70657044 is 44075607.

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

It is a junction number, because it is equal to n+sod(n) for n = 70656996 and 70657014.

It is a congruent number.

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, 2944032 + ... + 2944055.

It is an arithmetic number, because the mean of its divisors is an integer number (13738872).

Almost surely, 270657044 is an apocalyptic number.

It is an amenable number.

70657044 is an abundant number, since it is smaller than the sum of its proper divisors (94209420).

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

70657044 is a wasteful number, since it uses less digits than its factorization.

70657044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888094 (or 5888092 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 70657044 is about 8405.7744437975. The cubic root of 70657044 is about 413.4139763452.

The spelling of 70657044 in words is "seventy million, six hundred fifty-seven thousand, forty-four".

Divisors: 1 2 3 4 6 12 5888087 11776174 17664261 23552348 35328522 70657044