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70164471 = 3131799089
BaseRepresentation
bin1000010111010…
…01111111110111
311220000201120010
410023221333313
5120430230341
610543511303
71511250066
oct413517767
9156021503
1070164471
1136673673
121b5b8533
13116c8650
1494661dd
15625e716
hex42e9ff7

70164471 has 8 divisors (see below), whose sum is σ = 100749040. Its totient is φ = 43178112.

The previous prime is 70164449. The next prime is 70164481. The reversal of 70164471 is 17446107.

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

It is not a de Polignac number, because 70164471 - 211 = 70162423 is a prime.

It is a super-3 number, since 3×701644713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70164431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899506 + ... + 899583.

It is an arithmetic number, because the mean of its divisors is an integer number (12593630).

Almost surely, 270164471 is an apocalyptic number.

70164471 is a deficient number, since it is larger than the sum of its proper divisors (30584569).

70164471 is a wasteful number, since it uses less digits than its factorization.

70164471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799105.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 70164471 is about 8376.4235208113. The cubic root of 70164471 is about 412.4510546150.

The spelling of 70164471 in words is "seventy million, one hundred sixty-four thousand, four hundred seventy-one".

Divisors: 1 3 13 39 1799089 5397267 23388157 70164471