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70113505 = 5711269677
BaseRepresentation
bin1000010110111…
…01100011100001
311212221010122111
410023131203201
5120422113010
610542435321
71510645360
oct413354341
9155833574
1070113505
1136639350
121b592b41
13116ab3a7
1494517d7
15624e58a
hex42dd8e1

70113505 has 32 divisors (see below), whose sum is σ = 105442560. Its totient is φ = 43480320.

The previous prime is 70113497. The next prime is 70113509. The reversal of 70113505 is 50531107.

It is not a de Polignac number, because 70113505 - 23 = 70113497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70113509) 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 31 ways as a sum of consecutive naturals, for example, 103227 + ... + 103903.

It is an arithmetic number, because the mean of its divisors is an integer number (3295080).

Almost surely, 270113505 is an apocalyptic number.

It is an amenable number.

70113505 is a deficient number, since it is larger than the sum of its proper divisors (35329055).

70113505 is a wasteful number, since it uses less digits than its factorization.

70113505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 70113505 is about 8373.3807389847. The cubic root of 70113505 is about 412.3511651603.

It can be divided in two parts, 7011 and 3505, that multiplied together give a triangular number (24573555 = T7010).

The spelling of 70113505 in words is "seventy million, one hundred thirteen thousand, five hundred five".

Divisors: 1 5 7 11 35 55 77 269 385 677 1345 1883 2959 3385 4739 7447 9415 14795 20713 23695 37235 52129 103565 182113 260645 910565 1274791 2003243 6373955 10016215 14022701 70113505