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117274541 = 472495203
BaseRepresentation
bin1101111110101…
…11011110101101
322011200011102112
412333113132231
5220010241131
615345333405
72622550166
oct677273655
9264604375
10117274541
116022010a
1233337265
131b3b1527
141180a76d
15a46802b
hex6fd77ad

117274541 has 4 divisors (see below), whose sum is σ = 119769792. Its totient is φ = 114779292.

The previous prime is 117274537. The next prime is 117274559. The reversal of 117274541 is 145472711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145472711 = 409355679.

It is a cyclic number.

It is not a de Polignac number, because 117274541 - 22 = 117274537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117274498 and 117274507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117274501) 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, 1247555 + ... + 1247648.

It is an arithmetic number, because the mean of its divisors is an integer number (29942448).

Almost surely, 2117274541 is an apocalyptic number.

It is an amenable number.

117274541 is a deficient number, since it is larger than the sum of its proper divisors (2495251).

117274541 is an equidigital number, since it uses as much as digits as its factorization.

117274541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495250.

The product of its digits is 7840, while the sum is 32.

The square root of 117274541 is about 10829.3370526547. The cubic root of 117274541 is about 489.4795821378.

The spelling of 117274541 in words is "one hundred seventeen million, two hundred seventy-four thousand, five hundred forty-one".

Divisors: 1 47 2495203 117274541