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49775130 = 2325553057
BaseRepresentation
bin1011110111100…
…0001000011010
310110122211122100
42331320020122
5100220301010
64534504230
71143036666
oct275701032
9113584570
1049775130
1126107879
1214805076
13a409c52
1468798a6
1545832c0
hex2f7821a

49775130 has 24 divisors (see below), whose sum is σ = 129415572. Its totient is φ = 13273344.

The previous prime is 49775129. The next prime is 49775149. The reversal of 49775130 is 3157794.

It is a happy number.

49775130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49660209 + 114921 = 7047^2 + 339^2 .

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 276439 + ... + 276618.

Almost surely, 249775130 is an apocalyptic number.

49775130 is an abundant number, since it is smaller than the sum of its proper divisors (79640442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49775130 is a wasteful number, since it uses less digits than its factorization.

49775130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553070 (or 553067 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 49775130 is about 7055.1491833979. The cubic root of 49775130 is about 367.8500343976.

The spelling of 49775130 in words is "forty-nine million, seven hundred seventy-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 553057 1106114 1659171 2765285 3318342 4977513 5530570 8295855 9955026 16591710 24887565 49775130