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49744669 = 1317225089
BaseRepresentation
bin1011110111000…
…0101100011101
310110121021212011
42331300230131
5100213312134
64534111221
71142552122
oct275605435
9113537764
1049744669
11260969a7
12147ab511
13a3c9120
14686c749
154579264
hex2f70b1d

49744669 has 8 divisors (see below), whose sum is σ = 56722680. Its totient is φ = 43216896.

The previous prime is 49744649. The next prime is 49744691. The reversal of 49744669 is 96644794.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 562500 + 49182169 = 750^2 + 7013^2 .

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 49744669 - 223 = 41356061 is a prime.

It is a super-2 number, since 2×497446692 = 4949064187839122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49744649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112324 + ... + 112765.

It is an arithmetic number, because the mean of its divisors is an integer number (7090335).

Almost surely, 249744669 is an apocalyptic number.

It is an amenable number.

49744669 is a deficient number, since it is larger than the sum of its proper divisors (6978011).

49744669 is a wasteful number, since it uses less digits than its factorization.

49744669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225119.

The product of its digits is 1306368, while the sum is 49.

The square root of 49744669 is about 7052.9900751383. The cubic root of 49744669 is about 367.7749810767.

The spelling of 49744669 in words is "forty-nine million, seven hundred forty-four thousand, six hundred sixty-nine".

Divisors: 1 13 17 221 225089 2926157 3826513 49744669