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49255745 = 5711314127
BaseRepresentation
bin1011101111100…
…1010101000001
310102200110011212
42323321111001
5100102140440
64515415505
71135444520
oct273712501
9112613155
1049255745
1125892630
12145b4595
13a287716
1467824b7
1544ce465
hex2ef9541

49255745 has 32 divisors (see below), whose sum is σ = 76087296. Its totient is φ = 29707200.

The previous prime is 49255741. The next prime is 49255763. The reversal of 49255745 is 54755294.

It is not a de Polignac number, because 49255745 - 22 = 49255741 is a prime.

It is a super-2 number, since 2×492557452 = 4852256831010050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49255741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9872 + ... + 13998.

It is an arithmetic number, because the mean of its divisors is an integer number (2377728).

Almost surely, 249255745 is an apocalyptic number.

It is an amenable number.

49255745 is a deficient number, since it is larger than the sum of its proper divisors (26831551).

49255745 is a wasteful number, since it uses less digits than its factorization.

49255745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181.

The product of its digits is 252000, while the sum is 41.

The square root of 49255745 is about 7018.2437261754. The cubic root of 49255745 is about 366.5660986817.

The spelling of 49255745 in words is "forty-nine million, two hundred fifty-five thousand, seven hundred forty-five".

Divisors: 1 5 7 11 31 35 55 77 155 217 341 385 1085 1705 2387 4127 11935 20635 28889 45397 127937 144445 226985 317779 639685 895559 1407307 1588895 4477795 7036535 9851149 49255745