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70217495 = 543326593
BaseRepresentation
bin1000010111101…
…10111100010111
311220010102021222
410023312330113
5120433424440
610545000555
71511560505
oct413667427
9156112258
1070217495
11366aa497
121b62315b
131171681a
14947b675
1562702b5
hex42f6f17

70217495 has 8 divisors (see below), whose sum is σ = 86220816. Its totient is φ = 54867456.

The previous prime is 70217489. The next prime is 70217507. The reversal of 70217495 is 59471207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70217495 - 24 = 70217479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163082 + ... + 163511.

It is an arithmetic number, because the mean of its divisors is an integer number (10777602).

Almost surely, 270217495 is an apocalyptic number.

70217495 is a deficient number, since it is larger than the sum of its proper divisors (16003321).

70217495 is a wasteful number, since it uses less digits than its factorization.

70217495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326641.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 70217495 is about 8379.5879970318. The cubic root of 70217495 is about 412.5549262642.

The spelling of 70217495 in words is "seventy million, two hundred seventeen thousand, four hundred ninety-five".

Divisors: 1 5 43 215 326593 1632965 14043499 70217495