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93728930 = 2523993907
BaseRepresentation
bin1011001011000…
…11000010100010
320112100220220212
411211203002202
5142443311210
613144534122
72215453121
oct545430242
9215326825
1093728930
11489a8a29
1227481342
1316559309
14c63bab8
158366805
hex59630a2

93728930 has 16 divisors (see below), whose sum is σ = 168825600. Its totient is φ = 37466352.

The previous prime is 93728923. The next prime is 93728941. The reversal of 93728930 is 3982739.

It is a super-2 number, since 2×937289302 = 17570224637889800, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22037 + ... + 25943.

It is an arithmetic number, because the mean of its divisors is an integer number (10551600).

Almost surely, 293728930 is an apocalyptic number.

93728930 is a deficient number, since it is larger than the sum of its proper divisors (75096670).

93728930 is a wasteful number, since it uses less digits than its factorization.

93728930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 93728930 is about 9681.3702542564. The cubic root of 93728930 is about 454.2461130085.

The spelling of 93728930 in words is "ninety-three million, seven hundred twenty-eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 2399 3907 4798 7814 11995 19535 23990 39070 9372893 18745786 46864465 93728930