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107430655 = 5193136479
BaseRepresentation
bin1100110011101…
…00001011111111
321111011001011011
412121310023333
5210000240110
614354340051
72443100623
oct631641377
9244131134
10107430655
1155707272
122bb8a627
1319345a47
14103a7183
15967148a
hex66742ff

107430655 has 16 divisors (see below), whose sum is σ = 140083200. Its totient is φ = 78792480.

The previous prime is 107430649. The next prime is 107430671. The reversal of 107430655 is 556034701.

It is not a de Polignac number, because 107430655 - 25 = 107430623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15295 + ... + 21184.

It is an arithmetic number, because the mean of its divisors is an integer number (8755200).

Almost surely, 2107430655 is an apocalyptic number.

107430655 is a deficient number, since it is larger than the sum of its proper divisors (32652545).

107430655 is a wasteful number, since it uses less digits than its factorization.

107430655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36534.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 107430655 is about 10364.8760243430. The cubic root of 107430655 is about 475.3820084850.

The spelling of 107430655 in words is "one hundred seven million, four hundred thirty thousand, six hundred fifty-five".

Divisors: 1 5 19 31 95 155 589 2945 36479 182395 693101 1130849 3465505 5654245 21486131 107430655