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117961944 = 23331158551
BaseRepresentation
bin1110000011111…
…11010011011000
322012222002100220
413001333103120
5220144240234
615412200040
72631442242
oct701772330
9265862326
10117961944
116064a611
1233609020
131b592389
1411949092
15a551a49
hex707f4d8

117961944 has 32 divisors (see below), whose sum is σ = 304419840. Its totient is φ = 38052000.

The previous prime is 117961939. The next prime is 117961967. The reversal of 117961944 is 449169711.

It is a junction number, because it is equal to n+sod(n) for n = 117961896 and 117961905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78532 + ... + 80019.

It is an arithmetic number, because the mean of its divisors is an integer number (9513120).

Almost surely, 2117961944 is an apocalyptic number.

It is an amenable number.

117961944 is an abundant number, since it is smaller than the sum of its proper divisors (186457896).

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

117961944 is a wasteful number, since it uses less digits than its factorization.

117961944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158591 (or 158587 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 117961944 is about 10861.0286805624. The cubic root of 117961944 is about 490.4340787649.

The spelling of 117961944 in words is "one hundred seventeen million, nine hundred sixty-one thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 158551 317102 475653 634204 951306 1268408 1902612 3805224 4915081 9830162 14745243 19660324 29490486 39320648 58980972 117961944