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49245899 = 212923131
BaseRepresentation
bin1011101111011…
…0111011001011
310102122221200012
42323312323023
5100101332044
64515302135
71135404023
oct273667313
9112587605
1049245899
112588619a
12145aa94b
13a2830b1
14677ca83
1544cb59e
hex2ef6ecb

49245899 has 4 divisors (see below), whose sum is σ = 49271160. Its totient is φ = 49220640.

The previous prime is 49245881. The next prime is 49245919. The reversal of 49245899 is 99854294.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49245899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49245299) 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, 9437 + ... + 13694.

It is an arithmetic number, because the mean of its divisors is an integer number (12317790).

Almost surely, 249245899 is an apocalyptic number.

49245899 is a deficient number, since it is larger than the sum of its proper divisors (25261).

49245899 is a wasteful number, since it uses less digits than its factorization.

49245899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25260.

The product of its digits is 933120, while the sum is 50.

The square root of 49245899 is about 7017.5422335744. The cubic root of 49245899 is about 366.5416720873.

The spelling of 49245899 in words is "forty-nine million, two hundred forty-five thousand, eight hundred ninety-nine".

Divisors: 1 2129 23131 49245899