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70165312 = 267156619
BaseRepresentation
bin1000010111010…
…10001101000000
311220000202201021
410023222031000
5120430242222
610543515224
71511252410
oct413521500
9156022637
1070165312
1136674268
121b5b8b14
13116c8b49
149466640
15625eac7
hex42ea340

70165312 has 28 divisors (see below), whose sum is σ = 159125920. Its totient is φ = 30070656.

The previous prime is 70165301. The next prime is 70165327. The reversal of 70165312 is 21356107.

It is a tau number, because it is divible by the number of its divisors (28).

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, 77862 + ... + 78757.

Almost surely, 270165312 is an apocalyptic number.

It is an amenable number.

70165312 is an abundant number, since it is smaller than the sum of its proper divisors (88960608).

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

70165312 is a wasteful number, since it uses less digits than its factorization.

70165312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156638 (or 156628 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 70165312 is about 8376.4737210834. The cubic root of 70165312 is about 412.4527025048.

The spelling of 70165312 in words is "seventy million, one hundred sixty-five thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 156619 313238 626476 1096333 1252952 2192666 2505904 4385332 5011808 8770664 10023616 17541328 35082656 70165312