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117887308 = 22711382751
BaseRepresentation
bin1110000011011…
…01000101001100
322012211021222121
413001231011030
5220134343213
615410422324
72631011530
oct701550514
9265737877
10117887308
11605a9530
12335919a4
131b567406
1411929bc0
15a53988d
hex706d14c

117887308 has 24 divisors (see below), whose sum is σ = 257209344. Its totient is φ = 45930000.

The previous prime is 117887303. The next prime is 117887321. The reversal of 117887308 is 803788711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117887303) 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, 191068 + ... + 191683.

It is an arithmetic number, because the mean of its divisors is an integer number (10717056).

Almost surely, 2117887308 is an apocalyptic number.

It is an amenable number.

117887308 is an abundant number, since it is smaller than the sum of its proper divisors (139322036).

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

117887308 is a wasteful number, since it uses less digits than its factorization.

117887308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382773 (or 382771 counting only the distinct ones).

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

The square root of 117887308 is about 10857.5921824316. The cubic root of 117887308 is about 490.3306223469.

The spelling of 117887308 in words is "one hundred seventeen million, eight hundred eighty-seven thousand, three hundred eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 382751 765502 1531004 2679257 4210261 5358514 8420522 10717028 16841044 29471827 58943654 117887308