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49760420 = 2253497129
BaseRepresentation
bin1011110111010…
…0100010100100
310110122002110112
42331310202210
5100214313140
64534312152
71142646053
oct275644244
9113562415
1049760420
11260a7816
12147b8658
13a403348
14687439a
15457dc65
hex2f748a4

49760420 has 24 divisors (see below), whose sum is σ = 104811000. Its totient is φ = 19844352.

The previous prime is 49760413. The next prime is 49760461. The reversal of 49760420 is 2406794.

49760420 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 4 ways, for example, as 11888704 + 37871716 = 3448^2 + 6154^2 .

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 7 ways as a sum of consecutive naturals, for example, 3416 + ... + 10544.

It is an arithmetic number, because the mean of its divisors is an integer number (4367125).

Almost surely, 249760420 is an apocalyptic number.

It is an amenable number.

49760420 is an abundant number, since it is smaller than the sum of its proper divisors (55050580).

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

49760420 is a wasteful number, since it uses less digits than its factorization.

49760420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487 (or 7485 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 49760420 is about 7054.1066053753. The cubic root of 49760420 is about 367.8137940292.

The spelling of 49760420 in words is "forty-nine million, seven hundred sixty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 3490 6980 7129 14258 28516 35645 71290 142580 2488021 4976042 9952084 12440105 24880210 49760420