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70640104 = 2337238649
BaseRepresentation
bin1000011010111…
…10000111101000
311220220220000011
410031132013220
5121040440404
611002021304
71515300553
oct415360750
9156826004
1070640104
1136968a57
121b7a7834
1311833ca2
14954b69a
156305604
hex435e1e8

70640104 has 16 divisors (see below), whose sum is σ = 136030500. Its totient is φ = 34365312.

The previous prime is 70640093. The next prime is 70640111. The reversal of 70640104 is 40104607.

It can be written as a sum of positive squares in 2 ways, for example, as 70392100 + 248004 = 8390^2 + 498^2 .

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 3 ways as a sum of consecutive naturals, for example, 119029 + ... + 119620.

Almost surely, 270640104 is an apocalyptic number.

70640104 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

70640104 is a deficient number, since it is larger than the sum of its proper divisors (65390396).

70640104 is a wasteful number, since it uses less digits than its factorization.

70640104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238692 (or 238688 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70640104 is about 8404.7667427478. The cubic root of 70640104 is about 413.3809350889.

The spelling of 70640104 in words is "seventy million, six hundred forty thousand, one hundred four".

Divisors: 1 2 4 8 37 74 148 296 238649 477298 954596 1909192 8830013 17660026 35320052 70640104