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70561344 = 263752501
BaseRepresentation
bin1000011010010…
…10111001000000
311220202212222010
410031022321000
5121030430334
611000212520
71514522130
oct415127100
9156685863
1070561344
1136914867
121b76a140
1311807199
14952aac0
1562dc0e9
hex434ae40

70561344 has 56 divisors (see below), whose sum is σ = 213368128. Its totient is φ = 20160000.

The previous prime is 70561333. The next prime is 70561357. The reversal of 70561344 is 44316507.

It is a tau number, because it is divible by the number of its divisors (56).

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, 24907 + ... + 27594.

Almost surely, 270561344 is an apocalyptic number.

It is an amenable number.

70561344 is an abundant number, since it is smaller than the sum of its proper divisors (142806784).

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

70561344 is a wasteful number, since it uses less digits than its factorization.

70561344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52523 (or 52513 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 70561344 is about 8400.0799996191. The cubic root of 70561344 is about 413.2272452903.

The spelling of 70561344 in words is "seventy million, five hundred sixty-one thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 52501 105002 157503 210004 315006 367507 420008 630012 735014 840016 1102521 1260024 1470028 1680032 2205042 2520048 2940056 3360064 4410084 5040096 5880112 8820168 10080192 11760224 17640336 23520448 35280672 70561344