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49495939 = 312115859
BaseRepresentation
bin1011110011001…
…1111110000011
310110010122122221
42330303332003
5100132332224
64524511511
71140465013
oct274637603
9113118587
1049495939
1125a37039
12146ab597
13a33cb4c
146805c43
15452a6e4
hex2f33f83

49495939 has 4 divisors (see below), whose sum is σ = 49514920. Its totient is φ = 49476960.

The previous prime is 49495937. The next prime is 49495951. The reversal of 49495939 is 93959494.

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

It is a cyclic number.

It is not a de Polignac number, because 49495939 - 21 = 49495937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49495937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4809 + ... + 11050.

It is an arithmetic number, because the mean of its divisors is an integer number (12378730).

Almost surely, 249495939 is an apocalyptic number.

49495939 is a deficient number, since it is larger than the sum of its proper divisors (18981).

49495939 is a wasteful number, since it uses less digits than its factorization.

49495939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18980.

The product of its digits is 1574640, while the sum is 52.

The square root of 49495939 is about 7035.3350311126. The cubic root of 49495939 is about 367.1609818749.

The spelling of 49495939 in words is "forty-nine million, four hundred ninety-five thousand, nine hundred thirty-nine".

Divisors: 1 3121 15859 49495939