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117925445 = 5118924091
BaseRepresentation
bin1110000011101…
…10011001000101
322012220020022002
413001312121011
5220142103240
615411315045
72631230651
oct701663105
9265806262
10117925445
1160625150
12335aba85
131b57b891
1411939a61
15a545d15
hex7076645

117925445 has 16 divisors (see below), whose sum is σ = 156116160. Its totient is φ = 84796800.

The previous prime is 117925429. The next prime is 117925453. The reversal of 117925445 is 544529711.

It is not a de Polignac number, because 117925445 - 24 = 117925429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117925399 and 117925408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7151 + ... + 16940.

It is an arithmetic number, because the mean of its divisors is an integer number (9757260).

Almost surely, 2117925445 is an apocalyptic number.

It is an amenable number.

117925445 is a deficient number, since it is larger than the sum of its proper divisors (38190715).

117925445 is a wasteful number, since it uses less digits than its factorization.

117925445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24196.

The product of its digits is 50400, while the sum is 38.

The square root of 117925445 is about 10859.3482769455. The cubic root of 117925445 is about 490.3834912637.

The spelling of 117925445 in words is "one hundred seventeen million, nine hundred twenty-five thousand, four hundred forty-five".

Divisors: 1 5 11 55 89 445 979 4895 24091 120455 265001 1325005 2144099 10720495 23585089 117925445