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117042907 = 1931319681
BaseRepresentation
bin1101111100111…
…10111011011011
322011020101200111
412332132323123
5214430333112
615340345151
72620563652
oct676367333
9264211614
10117042907
1160082083
12332451b7
131b32cc77
141178a199
15a41e5a7
hex6f9eedb

117042907 has 8 divisors (see below), whose sum is σ = 123602960. Its totient is φ = 110522880.

The previous prime is 117042899. The next prime is 117042923. The reversal of 117042907 is 709240711.

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 117042907 - 23 = 117042899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117042997) 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, 3894 + ... + 15787.

It is an arithmetic number, because the mean of its divisors is an integer number (15450370).

Almost surely, 2117042907 is an apocalyptic number.

117042907 is a deficient number, since it is larger than the sum of its proper divisors (6560053).

117042907 is a wasteful number, since it uses less digits than its factorization.

117042907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20013.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 117042907 is about 10818.6370213627. The cubic root of 117042907 is about 489.1571056597.

The spelling of 117042907 in words is "one hundred seventeen million, forty-two thousand, nine hundred seven".

Divisors: 1 19 313 5947 19681 373939 6160153 117042907