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49740977 = 1113536563
BaseRepresentation
bin1011110110111…
…1110010110001
310110121002210102
42331233302301
5100213202402
64534042145
71142535266
oct275576261
9113532712
1049740977
1126094150
12147a9355
13a3c7540
14686b26d
154578102
hex2f6fcb1

49740977 has 16 divisors (see below), whose sum is σ = 59548608. Its totient is φ = 40946880.

The previous prime is 49740949. The next prime is 49740979. The reversal of 49740977 is 77904794.

It is not a de Polignac number, because 49740977 - 28 = 49740721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49740979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4298 + ... + 10860.

It is an arithmetic number, because the mean of its divisors is an integer number (3721788).

Almost surely, 249740977 is an apocalyptic number.

It is an amenable number.

49740977 is a deficient number, since it is larger than the sum of its proper divisors (9807631).

49740977 is a wasteful number, since it uses less digits than its factorization.

49740977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 49740977 is about 7052.7283373174. The cubic root of 49740977 is about 367.7658822201.

The spelling of 49740977 in words is "forty-nine million, seven hundred forty thousand, nine hundred seventy-seven".

Divisors: 1 11 13 53 143 583 689 6563 7579 72193 85319 347839 938509 3826229 4521907 49740977