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117893938 = 2717091171
BaseRepresentation
bin1110000011011…
…10101100110010
322012211122002011
413001232230302
5220140101223
615410513134
72631040051
oct701565462
9265748064
10117893938
1160603508
12335957aa
131b56a436
141192c398
15a53b80d
hex706eb32

117893938 has 16 divisors (see below), whose sum is σ = 179737920. Its totient is φ = 57985200.

The previous prime is 117893933. The next prime is 117893981. The reversal of 117893938 is 839398711.

It is a junction number, because it is equal to n+sod(n) for n = 117893891 and 117893900.

It is not an unprimeable number, because it can be changed into a prime (117893933) 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, 100093 + ... + 101263.

It is an arithmetic number, because the mean of its divisors is an integer number (11233620).

Almost surely, 2117893938 is an apocalyptic number.

117893938 is a deficient number, since it is larger than the sum of its proper divisors (61843982).

117893938 is a wasteful number, since it uses less digits than its factorization.

117893938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its digits is 326592, while the sum is 49.

The square root of 117893938 is about 10857.8974944508. The cubic root of 117893938 is about 490.3398142640.

The spelling of 117893938 in words is "one hundred seventeen million, eight hundred ninety-three thousand, nine hundred thirty-eight".

Divisors: 1 2 71 142 709 1171 1418 2342 50339 83141 100678 166282 830239 1660478 58946969 117893938