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970017631 = 11474793917
BaseRepresentation
bin111001110100010…
…100101101011111
32111121021000000221
4321310110231133
53441311031011
6240130502211
733016004512
oct7164245537
92447230027
10970017631
11458605670
12230a34967
13125c7023b
1492b84d79
155a25c971
hex39d14b5f

970017631 has 16 divisors (see below), whose sum is σ = 1083248640. Its totient is φ = 861050080.

The previous prime is 970017623. The next prime is 970017667. The reversal of 970017631 is 136710079.

It is a happy number.

It is not a de Polignac number, because 970017631 - 23 = 970017623 is a prime.

It is a super-3 number, since 3×9700176313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970017031) 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, 245685 + ... + 249601.

It is an arithmetic number, because the mean of its divisors is an integer number (67703040).

Almost surely, 2970017631 is an apocalyptic number.

970017631 is a deficient number, since it is larger than the sum of its proper divisors (113231009).

970017631 is a wasteful number, since it uses less digits than its factorization.

970017631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 970017631 is about 31145.1060521553. The cubic root of 970017631 is about 989.9042967719.

The spelling of 970017631 in words is "nine hundred seventy million, seventeen thousand, six hundred thirty-one".

Divisors: 1 11 47 479 517 3917 5269 22513 43087 184099 247643 1876243 2025089 20638673 88183421 970017631