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70910013 = 336076553
BaseRepresentation
bin1000011101000…
…00000000111101
311221102121020210
410032200000331
5121123110023
611011503033
71520503506
oct416400075
9157377223
1070910013
1137032819
121b8b7a79
13118c9ab5
1495bbbad
15635a593
hex43a003d

70910013 has 8 divisors (see below), whose sum is σ = 94587328. Its totient is φ = 47253024.

The previous prime is 70910003. The next prime is 70910023. The reversal of 70910013 is 31001907.

It is an interprime number because it is at equal distance from previous prime (70910003) and next prime (70910023).

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

It is not a de Polignac number, because 70910013 - 24 = 70909997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70910003) 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, 7545 + ... + 14097.

It is an arithmetic number, because the mean of its divisors is an integer number (11823416).

Almost surely, 270910013 is an apocalyptic number.

It is an amenable number.

70910013 is a deficient number, since it is larger than the sum of its proper divisors (23677315).

70910013 is a wasteful number, since it uses less digits than its factorization.

70910013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 70910013 is about 8420.8083341209. The cubic root of 70910013 is about 413.9067621254.

The spelling of 70910013 in words is "seventy million, nine hundred ten thousand, thirteen".

Divisors: 1 3 3607 6553 10821 19659 23636671 70910013