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70115952 = 2431678747
BaseRepresentation
bin1000010110111…
…10001001110000
311212221021000010
410023132021300
5120422202302
610542454520
71510655454
oct413361160
9155837003
1070115952
1136640175
121b594440
13116ac53a
149452664
15625016c
hex42de270

70115952 has 40 divisors (see below), whose sum is σ = 182238336. Its totient is φ = 23229376.

The previous prime is 70115951. The next prime is 70115953. The reversal of 70115952 is 25951107.

It is an interprime number because it is at equal distance from previous prime (70115951) and next prime (70115953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70115951) 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, 3643 + ... + 12389.

Almost surely, 270115952 is an apocalyptic number.

It is an amenable number.

70115952 is an abundant number, since it is smaller than the sum of its proper divisors (112122384).

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

70115952 is a wasteful number, since it uses less digits than its factorization.

70115952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925 (or 8919 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 70115952 is about 8373.5268555132. The cubic root of 70115952 is about 412.3559621989.

It can be divided in two parts, 701 and 15952, that added together give a triangular number (16653 = T182).

The spelling of 70115952 in words is "seventy million, one hundred fifteen thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 167 334 501 668 1002 1336 2004 2672 4008 8016 8747 17494 26241 34988 52482 69976 104964 139952 209928 419856 1460749 2921498 4382247 5842996 8764494 11685992 17528988 23371984 35057976 70115952