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70213395 = 357668699
BaseRepresentation
bin1000010111101…
…01111100010011
311220010012200010
410023311330103
5120433312040
610544530003
71511542530
oct413657423
9156105603
1070213395
11366a73aa
121b620903
13117149b5
149479d87
15626de80
hex42f5f13

70213395 has 16 divisors (see below), whose sum is σ = 128390400. Its totient is φ = 32097504.

The previous prime is 70213343. The next prime is 70213397. The reversal of 70213395 is 59331207.

It is not a de Polignac number, because 70213395 - 28 = 70213139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70213397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334245 + ... + 334454.

It is an arithmetic number, because the mean of its divisors is an integer number (8024400).

Almost surely, 270213395 is an apocalyptic number.

70213395 is a deficient number, since it is larger than the sum of its proper divisors (58177005).

70213395 is a wasteful number, since it uses less digits than its factorization.

70213395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668714.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 70213395 is about 8379.3433513611. The cubic root of 70213395 is about 412.5468964129.

The spelling of 70213395 in words is "seventy million, two hundred thirteen thousand, three hundred ninety-five".

Divisors: 1 3 5 7 15 21 35 105 668699 2006097 3343495 4680893 10030485 14042679 23404465 70213395