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117619417 = 767315329
BaseRepresentation
bin1110000001010…
…11101011011001
322012022200111201
413000223223121
5220102310132
615400554201
72625514516
oct700535331
9265280451
10117619417
1160436233
1233482961
131b4a24b6
141189a30d
15a4d52e7
hex702bad9

117619417 has 4 divisors (see below), whose sum is σ = 117642420. Its totient is φ = 117596416.

The previous prime is 117619409. The next prime is 117619421. The reversal of 117619417 is 714916711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 714916711 = 2640727073.

It can be written as a sum of positive squares in 2 ways, for example, as 39137536 + 78481881 = 6256^2 + 8859^2 .

It is a cyclic number.

It is not a de Polignac number, because 117619417 - 23 = 117619409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117619457) 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, 9 + ... + 15337.

It is an arithmetic number, because the mean of its divisors is an integer number (29410605).

Almost surely, 2117619417 is an apocalyptic number.

It is an amenable number.

117619417 is a deficient number, since it is larger than the sum of its proper divisors (23003).

117619417 is an equidigital number, since it uses as much as digits as its factorization.

117619417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23002.

The product of its digits is 10584, while the sum is 37.

The square root of 117619417 is about 10845.2485909729. The cubic root of 117619417 is about 489.9589261698.

The spelling of 117619417 in words is "one hundred seventeen million, six hundred nineteen thousand, four hundred seventeen".

Divisors: 1 7673 15329 117619417