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49775245 = 513765773
BaseRepresentation
bin1011110111100…
…0001010001101
310110122211210121
42331320022031
5100220301440
64534504541
71143040222
oct275701215
9113584717
1049775245
1126107973
1214805151
13a40a010
146879949
15458334a
hex2f7828d

49775245 has 8 divisors (see below), whose sum is σ = 64325016. Its totient is φ = 36757056.

The previous prime is 49775233. The next prime is 49775261. The reversal of 49775245 is 54257794.

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 49603849 = 414^2 + 7043^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49775245 - 25 = 49775213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382822 + ... + 382951.

It is an arithmetic number, because the mean of its divisors is an integer number (8040627).

Almost surely, 249775245 is an apocalyptic number.

It is an amenable number.

49775245 is a deficient number, since it is larger than the sum of its proper divisors (14549771).

49775245 is a wasteful number, since it uses less digits than its factorization.

49775245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765791.

The product of its digits is 352800, while the sum is 43.

The square root of 49775245 is about 7055.1573334689. The cubic root of 49775245 is about 367.8503176898.

The spelling of 49775245 in words is "forty-nine million, seven hundred seventy-five thousand, two hundred forty-five".

Divisors: 1 5 13 65 765773 3828865 9955049 49775245