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49503923 = 77071989
BaseRepresentation
bin1011110011010…
…1111010110011
310110011001121122
42330311322303
5100133111143
64525012455
71140530210
oct274657263
9113131548
1049503923
1125a42037
12146b412b
13a343681
146808b07
15452cc68
hex2f35eb3

49503923 has 4 divisors (see below), whose sum is σ = 56575920. Its totient is φ = 42431928.

The previous prime is 49503917. The next prime is 49503943. The reversal of 49503923 is 32930594.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49503923 - 24 = 49503907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49503913) 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 3 ways as a sum of consecutive naturals, for example, 3535988 + ... + 3536001.

It is an arithmetic number, because the mean of its divisors is an integer number (14143980).

Almost surely, 249503923 is an apocalyptic number.

49503923 is a deficient number, since it is larger than the sum of its proper divisors (7071997).

49503923 is an equidigital number, since it uses as much as digits as its factorization.

49503923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071996.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 49503923 is about 7035.9024296816. The cubic root of 49503923 is about 367.1807225899.

The spelling of 49503923 in words is "forty-nine million, five hundred three thousand, nine hundred twenty-three".

Divisors: 1 7 7071989 49503923