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117452719 = 831415093
BaseRepresentation
bin1110000000000…
…10111110101111
322012000012211201
413000002332233
5220031441334
615353230331
72624221516
oct700027657
9265005751
10117452719
1160331a6a
12334023a7
131b444667
141185567d
15a4a0c14
hex7002faf

117452719 has 4 divisors (see below), whose sum is σ = 118867896. Its totient is φ = 116037544.

The previous prime is 117452683. The next prime is 117452749. The reversal of 117452719 is 917254711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917254711 = 2557358723.

It is a cyclic number.

It is not a de Polignac number, because 117452719 - 29 = 117452207 is a prime.

It is a super-2 number, since 2×1174527192 = 27590282400985922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117452749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707464 + ... + 707629.

It is an arithmetic number, because the mean of its divisors is an integer number (29716974).

Almost surely, 2117452719 is an apocalyptic number.

117452719 is a deficient number, since it is larger than the sum of its proper divisors (1415177).

117452719 is an equidigital number, since it uses as much as digits as its factorization.

117452719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415176.

The product of its digits is 17640, while the sum is 37.

The square root of 117452719 is about 10837.5605649980. The cubic root of 117452719 is about 489.7273493584.

The spelling of 117452719 in words is "one hundred seventeen million, four hundred fifty-two thousand, seven hundred nineteen".

Divisors: 1 83 1415093 117452719