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70384136 = 2331283807
BaseRepresentation
bin1000011000111…
…11101000001000
311220102212212212
410030133220020
5121004243021
610552324252
71513153364
oct414375010
9156385785
1070384136
1136803709
121b6a3688
1311774624
1494c22a4
1562a485b
hex431fa08

70384136 has 16 divisors (see below), whose sum is σ = 136227840. Its totient is φ = 34056720.

The previous prime is 70384133. The next prime is 70384141. The reversal of 70384136 is 63148307.

It is not an unprimeable number, because it can be changed into a prime (70384133) 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 3 ways as a sum of consecutive naturals, for example, 141656 + ... + 142151.

It is an arithmetic number, because the mean of its divisors is an integer number (8514240).

Almost surely, 270384136 is an apocalyptic number.

It is an amenable number.

70384136 is a deficient number, since it is larger than the sum of its proper divisors (65843704).

70384136 is a wasteful number, since it uses less digits than its factorization.

70384136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283844 (or 283840 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 70384136 is about 8389.5253739410. The cubic root of 70384136 is about 412.8810285273.

The spelling of 70384136 in words is "seventy million, three hundred eighty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 31 62 124 248 283807 567614 1135228 2270456 8798017 17596034 35192068 70384136