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70317492 = 2237837113
BaseRepresentation
bin1000011000011…
…11010110110100
311220022111110120
410030033112310
5121000124432
610551051540
71512455160
oct414172664
9156274416
1070317492
1136768633
121b670bb0
13117501ab
1494a5ca0
15628ec2c
hex430f5b4

70317492 has 24 divisors (see below), whose sum is σ = 187513536. Its totient is φ = 20090688.

The previous prime is 70317479. The next prime is 70317493. The reversal of 70317492 is 29471307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70317493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418473 + ... + 418640.

It is an arithmetic number, because the mean of its divisors is an integer number (7813064).

Almost surely, 270317492 is an apocalyptic number.

It is an amenable number.

70317492 is an abundant number, since it is smaller than the sum of its proper divisors (117196044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70317492 is a wasteful number, since it uses less digits than its factorization.

70317492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837127 (or 837125 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 70317492 is about 8385.5525757102. The cubic root of 70317492 is about 412.7506737152.

Adding to 70317492 its reverse (29471307), we get a palindrome (99788799).

The spelling of 70317492 in words is "seventy million, three hundred seventeen thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 837113 1674226 2511339 3348452 5022678 5859791 10045356 11719582 17579373 23439164 35158746 70317492