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107985817 = 713794013
BaseRepresentation
bin1100110111110…
…11101110011001
321112012020200201
412123323232121
5210121021232
614414302201
72450602312
oct633735631
9245166621
10107985817
1155a56385
12301b7961
13194ab644
14104ad609
159730be7
hex66fbb99

107985817 has 8 divisors (see below), whose sum is σ = 109823040. Its totient is φ = 106157520.

The previous prime is 107985809. The next prime is 107985833. The reversal of 107985817 is 718589701.

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

It is a cyclic number.

It is not a de Polignac number, because 107985817 - 23 = 107985809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107982817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24903 + ... + 28915.

It is an arithmetic number, because the mean of its divisors is an integer number (13727880).

Almost surely, 2107985817 is an apocalyptic number.

It is an amenable number.

107985817 is a deficient number, since it is larger than the sum of its proper divisors (1837223).

107985817 is an equidigital number, since it uses as much as digits as its factorization.

107985817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 107985817 is about 10391.6224431029. The cubic root of 107985817 is about 476.1994682805.

The spelling of 107985817 in words is "one hundred seven million, nine hundred eighty-five thousand, eight hundred seventeen".

Divisors: 1 71 379 4013 26909 284923 1520927 107985817