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49231873 = 241720369
BaseRepresentation
bin1011101111001…
…1100000000001
310102122020102201
42323303200001
5100100404443
64515113201
71135315105
oct273634001
9112566381
1049231873
11258766a9
12145a2801
13a2798b2
146777905
1544c734d
hex2ef3801

49231873 has 4 divisors (see below), whose sum is σ = 49254660. Its totient is φ = 49209088.

The previous prime is 49231843. The next prime is 49231883. The reversal of 49231873 is 37813294.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42941809 + 6290064 = 6553^2 + 2508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49231873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49231843) 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, 7768 + ... + 12601.

It is an arithmetic number, because the mean of its divisors is an integer number (12313665).

Almost surely, 249231873 is an apocalyptic number.

It is an amenable number.

49231873 is a deficient number, since it is larger than the sum of its proper divisors (22787).

49231873 is a wasteful number, since it uses less digits than its factorization.

49231873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22786.

The product of its digits is 36288, while the sum is 37.

The square root of 49231873 is about 7016.5428096749. The cubic root of 49231873 is about 366.5068698549.

The spelling of 49231873 in words is "forty-nine million, two hundred thirty-one thousand, eight hundred seventy-three".

Divisors: 1 2417 20369 49231873