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117707437 = 581320249
BaseRepresentation
bin1110000010000…
…01001010101101
322012111011020201
413001001022231
5220113114222
615402513501
72626332241
oct701011255
9265434221
10117707437
1160496381
1233505891
131b503593
14118c0421
15a501427
hex70412ad

117707437 has 4 divisors (see below), whose sum is σ = 117733500. Its totient is φ = 117681376.

The previous prime is 117707417. The next prime is 117707441. The reversal of 117707437 is 734707711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 734707711 = 1634944939.

It can be written as a sum of positive squares in 2 ways, for example, as 58201641 + 59505796 = 7629^2 + 7714^2 .

It is a cyclic number.

It is not a de Polignac number, because 117707437 - 27 = 117707309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117707396 and 117707405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117707407) 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 3 ways as a sum of consecutive naturals, for example, 4312 + ... + 15937.

It is an arithmetic number, because the mean of its divisors is an integer number (29433375).

Almost surely, 2117707437 is an apocalyptic number.

It is an amenable number.

117707437 is a deficient number, since it is larger than the sum of its proper divisors (26063).

117707437 is an equidigital number, since it uses as much as digits as its factorization.

117707437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26062.

The product of its (nonzero) digits is 28812, while the sum is 37.

The square root of 117707437 is about 10849.3058303285. The cubic root of 117707437 is about 490.0811152677.

The spelling of 117707437 in words is "one hundred seventeen million, seven hundred seven thousand, four hundred thirty-seven".

Divisors: 1 5813 20249 117707437