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117738269 = 1119737717
BaseRepresentation
bin1110000010010…
…00101100011101
322012112201112122
413001020230131
5220120111034
615403312325
72626521155
oct701105435
9265481478
10117738269
1160507560
123351b6a5
131b51461c
14118cb765
15a50a62e
hex7048b1d

117738269 has 16 divisors (see below), whose sum is σ = 137071680. Its totient is φ = 99999360.

The previous prime is 117738259. The next prime is 117738293. The reversal of 117738269 is 962837711.

It is a cyclic number.

It is not a de Polignac number, because 117738269 - 24 = 117738253 is a prime.

It is a super-2 number, since 2×1177382692 = 27724599974232722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117738259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11399 + ... + 19115.

It is an arithmetic number, because the mean of its divisors is an integer number (8566980).

Almost surely, 2117738269 is an apocalyptic number.

117738269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117738269 is a deficient number, since it is larger than the sum of its proper divisors (19333411).

117738269 is a wasteful number, since it uses less digits than its factorization.

117738269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820.

The product of its digits is 127008, while the sum is 44.

The square root of 117738269 is about 10850.7266576944. The cubic root of 117738269 is about 490.1239017509.

The spelling of 117738269 in words is "one hundred seventeen million, seven hundred thirty-eight thousand, two hundred sixty-nine".

Divisors: 1 11 19 73 209 803 1387 7717 15257 84887 146623 563341 1612853 6196751 10703479 117738269