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70120356 = 2235843363
BaseRepresentation
bin1000010110111…
…11001110100100
311212221111001020
410023133032210
5120422322411
610542531140
71511004345
oct413371644
9155844036
1070120356
1136643509
121b596ab0
13116b1547
1494540cc
156251606
hex42df3a4

70120356 has 12 divisors (see below), whose sum is σ = 163614192. Its totient is φ = 23373448.

The previous prime is 70120333. The next prime is 70120397. The reversal of 70120356 is 65302107.

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

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, 2921670 + ... + 2921693.

It is an arithmetic number, because the mean of its divisors is an integer number (13634516).

Almost surely, 270120356 is an apocalyptic number.

It is an amenable number.

70120356 is an abundant number, since it is smaller than the sum of its proper divisors (93493836).

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

70120356 is a wasteful number, since it uses less digits than its factorization.

70120356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843370 (or 5843368 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 70120356 is about 8373.7898230132. The cubic root of 70120356 is about 412.3645954109.

The spelling of 70120356 in words is "seventy million, one hundred twenty thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 5843363 11686726 17530089 23373452 35060178 70120356