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70701408 = 25321271933
BaseRepresentation
bin1000011011011…
…01000101100000
311221001000002200
410031231011200
5121044421113
611003213200
71515644361
oct415550540
9157030080
1070701408
1136a00018
121b817200
1311855b6b
149565b68
156318873
hex436d160

70701408 has 72 divisors (see below), whose sum is σ = 202745088. Its totient is φ = 23369472.

The previous prime is 70701403. The next prime is 70701439. The reversal of 70701408 is 80410707.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70701403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 35610 + ... + 37542.

It is an arithmetic number, because the mean of its divisors is an integer number (2815904).

Almost surely, 270701408 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 70701408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101372544).

70701408 is an abundant number, since it is smaller than the sum of its proper divisors (132043680).

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

70701408 is a wasteful number, since it uses less digits than its factorization.

70701408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 70701408 is about 8408.4129299173. The cubic root of 70701408 is about 413.5004827494.

The spelling of 70701408 in words is "seventy million, seven hundred one thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 127 144 254 288 381 508 762 1016 1143 1524 1933 2032 2286 3048 3866 4064 4572 5799 6096 7732 9144 11598 12192 15464 17397 18288 23196 30928 34794 36576 46392 61856 69588 92784 139176 185568 245491 278352 490982 556704 736473 981964 1472946 1963928 2209419 2945892 3927856 4418838 5891784 7855712 8837676 11783568 17675352 23567136 35350704 70701408