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93988940 = 2256770141
BaseRepresentation
bin1011001101000…
…10100001001100
320112212010120212
411212202201030
5143030121230
613154301552
72220615143
oct546424114
9215763525
1093988940
1149066311
12275878b8
131661a776
14c6a875a
1583b8895
hex59a284c

93988940 has 24 divisors (see below), whose sum is σ = 200325552. Its totient is φ = 37033920.

The previous prime is 93988919. The next prime is 93988943. The reversal of 93988940 is 4988939.

It is not an unprimeable number, because it can be changed into a prime (93988943) 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 7 ways as a sum of consecutive naturals, for example, 33731 + ... + 36410.

It is an arithmetic number, because the mean of its divisors is an integer number (8346898).

Almost surely, 293988940 is an apocalyptic number.

It is an amenable number.

93988940 is an abundant number, since it is smaller than the sum of its proper divisors (106336612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93988940 is a wasteful number, since it uses less digits than its factorization.

93988940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70217 (or 70215 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 93988940 is about 9694.7893221049. The cubic root of 93988940 is about 454.6657610521.

The spelling of 93988940 in words is "ninety-three million, nine hundred eighty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 70141 140282 280564 350705 701410 1402820 4699447 9398894 18797788 23497235 46994470 93988940