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107243440 = 2454013343
BaseRepresentation
bin1100110010001…
…10011110110000
321110210112100021
412121012132300
5204423242230
614350333224
72441361043
oct631063660
9243715307
10107243440
1155599647
122baba214
13192ab775
1410358c5a
159635c7a
hex66467b0

107243440 has 40 divisors (see below), whose sum is σ = 250037568. Its totient is φ = 42777600.

The previous prime is 107243431. The next prime is 107243443. The reversal of 107243440 is 44342701.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (107243443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30409 + ... + 33751.

Almost surely, 2107243440 is an apocalyptic number.

107243440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107243440 is an abundant number, since it is smaller than the sum of its proper divisors (142794128).

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

107243440 is a wasteful number, since it uses less digits than its factorization.

107243440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757 (or 3751 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 107243440 is about 10355.8408639762. The cubic root of 107243440 is about 475.1057050069.

The spelling of 107243440 in words is "one hundred seven million, two hundred forty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 401 802 1604 2005 3208 3343 4010 6416 6686 8020 13372 16040 16715 26744 32080 33430 53488 66860 133720 267440 1340543 2681086 5362172 6702715 10724344 13405430 21448688 26810860 53621720 107243440