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70713888 = 2537105229
BaseRepresentation
bin1000011011100…
…00001000100000
311221001122012220
410031300020200
5121100321023
611003351040
71516025640
oct415601040
9157048186
1070713888
1136a09433
121b822480
131185b74b
14956a520
15631c3e3
hex4370220

70713888 has 48 divisors (see below), whose sum is σ = 212143680. Its totient is φ = 20203776.

The previous prime is 70713871. The next prime is 70713893. The reversal of 70713888 is 88831707.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 51943 + ... + 53286.

It is an arithmetic number, because the mean of its divisors is an integer number (4419660).

Almost surely, 270713888 is an apocalyptic number.

It is an amenable number.

70713888 is an abundant number, since it is smaller than the sum of its proper divisors (141429792).

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

70713888 is a wasteful number, since it uses less digits than its factorization.

70713888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105249 (or 105241 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 70713888 is about 8409.1550110579. The cubic root of 70713888 is about 413.5248112720.

The spelling of 70713888 in words is "seventy million, seven hundred thirteen thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 105229 210458 315687 420916 631374 736603 841832 1262748 1473206 1683664 2209809 2525496 2946412 3367328 4419618 5050992 5892824 8839236 10101984 11785648 17678472 23571296 35356944 70713888