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117142852 = 221710911579
BaseRepresentation
bin1101111101101…
…11010101000100
322011102110210011
412332313111010
5214442032402
615342440004
72621461231
oct676672504
9264373704
10117142852
1160140182
1233293004
131b3665c8
14117b4788
15a43ded7
hex6fb7544

117142852 has 24 divisors (see below), whose sum is σ = 217395360. Its totient is φ = 55040640.

The previous prime is 117142849. The next prime is 117142853. The reversal of 117142852 is 258241711.

It is not an unprimeable number, because it can be changed into a prime (117142853) 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, 73399 + ... + 74977.

It is an arithmetic number, because the mean of its divisors is an integer number (9058140).

Almost surely, 2117142852 is an apocalyptic number.

It is an amenable number.

117142852 is a deficient number, since it is larger than the sum of its proper divisors (100252508).

117142852 is a wasteful number, since it uses less digits than its factorization.

117142852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2689 counting only the distinct ones).

The product of its digits is 4480, while the sum is 31.

The square root of 117142852 is about 10823.2551480597. The cubic root of 117142852 is about 489.2962993369.

The spelling of 117142852 in words is "one hundred seventeen million, one hundred forty-two thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 34 68 1091 1579 2182 3158 4364 6316 18547 26843 37094 53686 74188 107372 1722689 3445378 6890756 29285713 58571426 117142852