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70890934 = 2251283499
BaseRepresentation
bin1000011100110…
…11010110110110
311221101122002011
410032123112312
5121122002214
611011234434
71520364052
oct416332666
9157348064
1070890934
113701a454
121b8a8a1a
13118c11ca
1495b4c62
156354ac4
hex439b5b6

70890934 has 16 divisors (see below), whose sum is σ = 107352000. Its totient is φ = 35109000.

The previous prime is 70890929. The next prime is 70890943. The reversal of 70890934 is 43909807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141817 + ... + 142315.

It is an arithmetic number, because the mean of its divisors is an integer number (6709500).

Almost surely, 270890934 is an apocalyptic number.

70890934 is a deficient number, since it is larger than the sum of its proper divisors (36461066).

70890934 is a wasteful number, since it uses less digits than its factorization.

70890934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 70890934 is about 8419.6754094205. The cubic root of 70890934 is about 413.8696369713.

It can be divided in two parts, 70890 and 934, that added together give a square (71824 = 2682).

The spelling of 70890934 in words is "seventy million, eight hundred ninety thousand, nine hundred thirty-four".

Divisors: 1 2 251 283 499 502 566 998 71033 125249 141217 142066 250498 282434 35445467 70890934