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70384418 = 2137934267
BaseRepresentation
bin1000011000111…
…11101100100010
311220102220021022
410030133230202
5121004300133
610552325442
71513154246
oct414375442
9156386238
1070384418
1136803945
121b6a3882
13117747b0
1494c2426
1562a4998
hex431fb22

70384418 has 16 divisors (see below), whose sum is σ = 115140480. Its totient is φ = 32072976.

The previous prime is 70384399. The next prime is 70384441. The reversal of 70384418 is 81448307.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15080 + ... + 19187.

It is an arithmetic number, because the mean of its divisors is an integer number (7196280).

Almost surely, 270384418 is an apocalyptic number.

70384418 is a deficient number, since it is larger than the sum of its proper divisors (44756062).

70384418 is a wasteful number, since it uses less digits than its factorization.

70384418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34361.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 70384418 is about 8389.5421805960. The cubic root of 70384418 is about 412.8815799408.

The spelling of 70384418 in words is "seventy million, three hundred eighty-four thousand, four hundred eighteen".

Divisors: 1 2 13 26 79 158 1027 2054 34267 68534 445471 890942 2707093 5414186 35192209 70384418