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70813442 = 2783149409
BaseRepresentation
bin1000011100010…
…00011100000010
311221020200210002
410032020130002
5121112012232
611005440002
71516622120
oct416103402
9157220702
1070813442
1136a77207
121b870002
1311894b5b
149594910
15633bb62
hex4388702

70813442 has 32 divisors (see below), whose sum is σ = 123984000. Its totient is φ = 29708928.

The previous prime is 70813417. The next prime is 70813451. The reversal of 70813442 is 24431807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172934 + ... + 173342.

It is an arithmetic number, because the mean of its divisors is an integer number (3874500).

Almost surely, 270813442 is an apocalyptic number.

70813442 is a deficient number, since it is larger than the sum of its proper divisors (53170558).

70813442 is a wasteful number, since it uses less digits than its factorization.

70813442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 70813442 is about 8415.0723110381. The cubic root of 70813442 is about 413.7187795101.

The spelling of 70813442 in words is "seventy million, eight hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 7 14 83 149 166 298 409 581 818 1043 1162 2086 2863 5726 12367 24734 33947 60941 67894 86569 121882 173138 237629 426587 475258 853174 5058103 10116206 35406721 70813442