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70385319 = 327820591
BaseRepresentation
bin1000011000111…
…11111010100111
311220102221111200
410030133322213
5121004312234
610552333543
71513160004
oct414377247
9156387450
1070385319
1136804594
121b6a42b3
1311775024
1494c28ab
1562a4d99
hex431fea7

70385319 has 6 divisors (see below), whose sum is σ = 101667696. Its totient is φ = 46923540.

The previous prime is 70385303. The next prime is 70385351. The reversal of 70385319 is 91358307.

It is not a de Polignac number, because 70385319 - 24 = 70385303 is a prime.

It is a super-2 number, since 2×703853192 = 9908186261463522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70385369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3910287 + ... + 3910304.

It is an arithmetic number, because the mean of its divisors is an integer number (16944616).

Almost surely, 270385319 is an apocalyptic number.

70385319 is a deficient number, since it is larger than the sum of its proper divisors (31282377).

70385319 is a wasteful number, since it uses less digits than its factorization.

70385319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820597 (or 7820594 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 70385319 is about 8389.5958782292. The cubic root of 70385319 is about 412.8833417167.

The spelling of 70385319 in words is "seventy million, three hundred eighty-five thousand, three hundred nineteen".

Divisors: 1 3 9 7820591 23461773 70385319