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136946617 = 947144611
BaseRepresentation
bin10000010100110…
…10001110111001
3100112200121102221
420022122032321
5240024242432
621331124041
73252012163
oct1012321671
9315617387
10136946617
1170337025
1239a43621
13224ab602
141428b933
15c051b97
hex829a3b9

136946617 has 4 divisors (see below), whose sum is σ = 137092176. Its totient is φ = 136801060.

The previous prime is 136946609. The next prime is 136946651. The reversal of 136946617 is 716649631.

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: 716649631 = 4217169943.

It is a cyclic number.

It is not a de Polignac number, because 136946617 - 23 = 136946609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136946687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71359 + ... + 73252.

It is an arithmetic number, because the mean of its divisors is an integer number (34273044).

Almost surely, 2136946617 is an apocalyptic number.

It is an amenable number.

136946617 is a deficient number, since it is larger than the sum of its proper divisors (145559).

136946617 is an equidigital number, since it uses as much as digits as its factorization.

136946617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145558.

The product of its digits is 163296, while the sum is 43.

The square root of 136946617 is about 11702.4192797900. The cubic root of 136946617 is about 515.4467070230.

The spelling of 136946617 in words is "one hundred thirty-six million, nine hundred forty-six thousand, six hundred seventeen".

Divisors: 1 947 144611 136946617