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70693648 = 2429251607
BaseRepresentation
bin1000011011010…
…11001100010000
311221000121110021
410031223030100
5121044144043
611003113224
71515612634
oct415531420
9157017407
1070693648
11369a5203
121b812814
131185247c
149562dc4
1563163ed
hex436b310

70693648 has 40 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 33936000.

The previous prime is 70693627. The next prime is 70693657. The reversal of 70693648 is 84639607.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116161 + ... + 116767.

It is an arithmetic number, because the mean of its divisors is an integer number (3562272).

Almost surely, 270693648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70693648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71245440).

70693648 is an abundant number, since it is smaller than the sum of its proper divisors (71797232).

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

70693648 is a wasteful number, since it uses less digits than its factorization.

70693648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 70693648 is about 8407.9514746459. The cubic root of 70693648 is about 413.4853539552.

The spelling of 70693648 in words is "seventy million, six hundred ninety-three thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 29 58 116 232 251 464 502 607 1004 1214 2008 2428 4016 4856 7279 9712 14558 17603 29116 35206 58232 70412 116464 140824 152357 281648 304714 609428 1218856 2437712 4418353 8836706 17673412 35346824 70693648