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70286992 = 244392937
BaseRepresentation
bin1000011000001…
…11111010010000
311220020221121221
410030013322100
5120443140432
610550254424
71512300226
oct414077220
9156227557
1070286992
1136747726
121b657414
131173c349
149498b16
156285b97
hex4307e90

70286992 has 10 divisors (see below), whose sum is σ = 136181078. Its totient is φ = 35143488.

The previous prime is 70286989. The next prime is 70287031. The reversal of 70286992 is 29968207.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 30294016 = 6324^2 + 5504^2 .

It is a super-2 number, since 2×702869922 = 9880522488816128, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2196453 + ... + 2196484.

Almost surely, 270286992 is an apocalyptic number.

It is an amenable number.

70286992 is a deficient number, since it is larger than the sum of its proper divisors (65894086).

70286992 is a wasteful number, since it uses less digits than its factorization.

70286992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392945 (or 4392939 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 70286992 is about 8383.7337743991. The cubic root of 70286992 is about 412.6909886319.

The spelling of 70286992 in words is "seventy million, two hundred eighty-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 4392937 8785874 17571748 35143496 70286992