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70207944 = 2333779063
BaseRepresentation
bin1000010111101…
…00100111001000
311220002221012020
410023310213020
5120433123234
610544444440
71511520612
oct413644710
9156087166
1070207944
11366a32a4
121b619720
1311712381
149477db2
15626c549
hex42f49c8

70207944 has 32 divisors (see below), whose sum is σ = 180265920. Its totient is φ = 22769856.

The previous prime is 70207933. The next prime is 70207967. The reversal of 70207944 is 44970207.

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, 38644 + ... + 40419.

It is an arithmetic number, because the mean of its divisors is an integer number (5633310).

Almost surely, 270207944 is an apocalyptic number.

70207944 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

70207944 is an abundant number, since it is smaller than the sum of its proper divisors (110057976).

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

70207944 is a wasteful number, since it uses less digits than its factorization.

70207944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79109 (or 79105 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 70207944 is about 8379.0180808971. The cubic root of 70207944 is about 412.5362201437.

The spelling of 70207944 in words is "seventy million, two hundred seven thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 79063 158126 237189 316252 474378 632504 948756 1897512 2925331 5850662 8775993 11701324 17551986 23402648 35103972 70207944