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49468391 = 721009559
BaseRepresentation
bin1011110010110…
…1001111100111
310110002020212122
42330231033213
5100130442031
64524140155
71140321500
oct274551747
9113066778
1049468391
1125a18375
121469765b
13a33044b
1467d9ba7
15452247b
hex2f2d3e7

49468391 has 6 divisors (see below), whose sum is σ = 57544920. Its totient is φ = 42401436.

The previous prime is 49468387. The next prime is 49468399. The reversal of 49468391 is 19386494.

It is not a de Polignac number, because 49468391 - 22 = 49468387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49468399) 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 5 ways as a sum of consecutive naturals, for example, 504731 + ... + 504828.

It is an arithmetic number, because the mean of its divisors is an integer number (9590820).

Almost surely, 249468391 is an apocalyptic number.

49468391 is a deficient number, since it is larger than the sum of its proper divisors (8076529).

49468391 is a wasteful number, since it uses less digits than its factorization.

49468391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009573 (or 1009566 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 49468391 is about 7033.3769271951. The cubic root of 49468391 is about 367.0928521926.

The spelling of 49468391 in words is "forty-nine million, four hundred sixty-eight thousand, three hundred ninety-one".

Divisors: 1 7 49 1009559 7066913 49468391