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107309155 = 521461831
BaseRepresentation
bin1100110010101…
…10100001100011
321110220212111011
412121112201203
5204432343110
614352001351
72442053452
oct631264143
9243825434
10107309155
1155633a58
122bb30257
1319302655
1410374b99
15964a48a
hex6656863

107309155 has 4 divisors (see below), whose sum is σ = 128770992. Its totient is φ = 85847320.

The previous prime is 107309129. The next prime is 107309173. The reversal of 107309155 is 551903701.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 107309155 - 211 = 107307107 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 10730911 + ... + 10730920.

It is an arithmetic number, because the mean of its divisors is an integer number (32192748).

Almost surely, 2107309155 is an apocalyptic number.

107309155 is a deficient number, since it is larger than the sum of its proper divisors (21461837).

107309155 is an equidigital number, since it uses as much as digits as its factorization.

107309155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21461836.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 107309155 is about 10359.0132252063. The cubic root of 107309155 is about 475.2027278688.

The spelling of 107309155 in words is "one hundred seven million, three hundred nine thousand, one hundred fifty-five".

Divisors: 1 5 21461831 107309155