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49742686 = 273553049
BaseRepresentation
bin1011110111000…
…0001101011110
310110121012010201
42331300031132
5100213231221
64534054114
71142543260
oct275601536
9113535121
1049742686
1126095464
12147aa33a
13a3c8256
14686bb30
154578891
hex2f7035e

49742686 has 8 divisors (see below), whose sum is σ = 85273200. Its totient is φ = 21318288.

The previous prime is 49742683. The next prime is 49742687. The reversal of 49742686 is 68624794.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49742683) 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, 1776511 + ... + 1776538.

It is an arithmetic number, because the mean of its divisors is an integer number (10659150).

Almost surely, 249742686 is an apocalyptic number.

49742686 is a deficient number, since it is larger than the sum of its proper divisors (35530514).

49742686 is a wasteful number, since it uses less digits than its factorization.

49742686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553058.

The product of its digits is 580608, while the sum is 46.

The square root of 49742686 is about 7052.8494950623. The cubic root of 49742686 is about 367.7700940708.

The spelling of 49742686 in words is "forty-nine million, seven hundred forty-two thousand, six hundred eighty-six".

Divisors: 1 2 7 14 3553049 7106098 24871343 49742686