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49898831 is a prime number
BaseRepresentation
bin1011111001011…
…0010101001111
310110220010022212
42332112111033
5100233230311
64541301035
71144063433
oct276262517
9113803285
1049898831
1126191804
121486477b
13a451348
1468ac9c3
1545a9c8b
hex2f9654f

49898831 has 2 divisors, whose sum is σ = 49898832. Its totient is φ = 49898830.

The previous prime is 49898803. The next prime is 49898833. The reversal of 49898831 is 13889894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49898831 - 26 = 49898767 is a prime.

It is a super-2 number, since 2×498988312 = 4979786670333122, which contains 22 as substring.

Together with 49898833, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49898831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49898833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24949415 + 24949416.

It is an arithmetic number, because the mean of its divisors is an integer number (24949416).

Almost surely, 249898831 is an apocalyptic number.

49898831 is a deficient number, since it is larger than the sum of its proper divisors (1).

49898831 is an equidigital number, since it uses as much as digits as its factorization.

49898831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 50.

The square root of 49898831 is about 7063.9104609274. The cubic root of 49898831 is about 368.1545089017.

The spelling of 49898831 in words is "forty-nine million, eight hundred ninety-eight thousand, eight hundred thirty-one".