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70319384 = 238789923
BaseRepresentation
bin1000011000011…
…11110100011000
311220022121001122
410030033310120
5121000210014
610551104412
71512463532
oct414176430
9156277048
1070319384
1136769aa3
121b672108
1311751005
1494a6852
15629058e
hex430fd18

70319384 has 8 divisors (see below), whose sum is σ = 131848860. Its totient is φ = 35159688.

The previous prime is 70319383. The next prime is 70319453. The reversal of 70319384 is 48391307.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×703193842 = 9889631532278912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70319383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4394954 + ... + 4394969.

Almost surely, 270319384 is an apocalyptic number.

It is an amenable number.

70319384 is a deficient number, since it is larger than the sum of its proper divisors (61529476).

70319384 is a wasteful number, since it uses less digits than its factorization.

70319384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8789929 (or 8789925 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 70319384 is about 8385.6653880297. The cubic root of 70319384 is about 412.7543755787.

The spelling of 70319384 in words is "seventy million, three hundred nineteen thousand, three hundred eighty-four".

Divisors: 1 2 4 8 8789923 17579846 35159692 70319384