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117678148 = 22717247223
BaseRepresentation
bin1110000001110…
…10000001000100
322012102200001221
413000322001010
5220111200043
615402130124
72626150660
oct700720104
9265380057
10117678148
1160476375
12334b0944
131b4c3153
14118b38a0
15a4e78ed
hex703a044

117678148 has 24 divisors (see below), whose sum is σ = 249201792. Its totient is φ = 47466624.

The previous prime is 117678137. The next prime is 117678149. The reversal of 117678148 is 841876711.

It is a super-3 number, since 3×1176781483 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (117678149) 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, 123136 + ... + 124087.

It is an arithmetic number, because the mean of its divisors is an integer number (10383408).

Almost surely, 2117678148 is an apocalyptic number.

It is an amenable number.

117678148 is an abundant number, since it is smaller than the sum of its proper divisors (131523644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117678148 is a wasteful number, since it uses less digits than its factorization.

117678148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247251 (or 247249 counting only the distinct ones).

The product of its digits is 75264, while the sum is 43.

The square root of 117678148 is about 10847.9559364887. The cubic root of 117678148 is about 490.0404631309.

The spelling of 117678148 in words is "one hundred seventeen million, six hundred seventy-eight thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 247223 494446 988892 1730561 3461122 4202791 6922244 8405582 16811164 29419537 58839074 117678148