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117901425 = 3523742487
BaseRepresentation
bin1110000011100…
…00100001110001
322012212000100110
413001300201301
5220140321200
615411011533
72631100635
oct701604161
9265760313
10117901425
11606090a4
1233599ba9
131b570975
1411930dc5
15a53db50
hex7070871

117901425 has 24 divisors (see below), whose sum is σ = 200203456. Its totient is φ = 61179840.

The previous prime is 117901423. The next prime is 117901439. The reversal of 117901425 is 524109711.

It is not a de Polignac number, because 117901425 - 21 = 117901423 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117901392 and 117901401.

It is not an unprimeable number, because it can be changed into a prime (117901423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18469 + ... + 24018.

Almost surely, 2117901425 is an apocalyptic number.

117901425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117901425 is a deficient number, since it is larger than the sum of its proper divisors (82302031).

117901425 is a wasteful number, since it uses less digits than its factorization.

117901425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42537 (or 42532 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 117901425 is about 10858.2422610660. The cubic root of 117901425 is about 490.3501939226.

The spelling of 117901425 in words is "one hundred seventeen million, nine hundred one thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 37 75 111 185 555 925 2775 42487 127461 212435 637305 1062175 1572019 3186525 4716057 7860095 23580285 39300475 117901425