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70634952 = 23322933829
BaseRepresentation
bin1000011010111…
…00110111001000
311220220121221100
410031130313020
5121040304302
611001541400
71515246543
oct415346710
9156817840
1070634952
11369650a3
121b7a4860
131183183b
14954985a
156303d1c
hex435cdc8

70634952 has 48 divisors (see below), whose sum is σ = 197905500. Its totient is φ = 22732416.

The previous prime is 70634933. The next prime is 70634953. The reversal of 70634952 is 25943607.

It can be written as a sum of positive squares in 2 ways, for example, as 69455556 + 1179396 = 8334^2 + 1086^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70634953) 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 11 ways as a sum of consecutive naturals, for example, 14827 + ... + 19002.

Almost surely, 270634952 is an apocalyptic number.

70634952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70634952 is an abundant number, since it is smaller than the sum of its proper divisors (127270548).

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

70634952 is a wasteful number, since it uses less digits than its factorization.

70634952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33870 (or 33863 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 70634952 is about 8404.4602444178. The cubic root of 70634952 is about 413.3708851303.

The spelling of 70634952 in words is "seventy million, six hundred thirty-four thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 33829 67658 101487 135316 202974 270632 304461 405948 608922 811896 981041 1217844 1962082 2435688 2943123 3924164 5886246 7848328 8829369 11772492 17658738 23544984 35317476 70634952