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107842015 = 553406951
BaseRepresentation
bin1100110110110…
…00100111011111
321111220221102201
412123120213133
5210101421030
614411232331
72446433131
oct633304737
9244827381
10107842015
1155968336
12301486a7
131945b058
1410473051
1597032ca
hex66d89df

107842015 has 8 divisors (see below), whose sum is σ = 131852448. Its totient is φ = 84645600.

The previous prime is 107841997. The next prime is 107842019. The reversal of 107842015 is 510248701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 107842015 - 213 = 107833823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107842019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 203211 + ... + 203740.

It is an arithmetic number, because the mean of its divisors is an integer number (16481556).

Almost surely, 2107842015 is an apocalyptic number.

107842015 is a deficient number, since it is larger than the sum of its proper divisors (24010433).

107842015 is an equidigital number, since it uses as much as digits as its factorization.

107842015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407009.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 107842015 is about 10384.7010067695. The cubic root of 107842015 is about 475.9879934241.

The spelling of 107842015 in words is "one hundred seven million, eight hundred forty-two thousand, fifteen".

Divisors: 1 5 53 265 406951 2034755 21568403 107842015