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49998231 = 327970321
BaseRepresentation
bin1011111010111…
…0100110010111
310111002011200100
42332232212113
5100244420411
64543345143
71144656303
oct276564627
9114064610
1049998231
112624a458
12148b21b3
13a48766a
1468d6d03
1545c9456
hex2fae997

49998231 has 12 divisors (see below), whose sum is σ = 73134880. Its totient is φ = 32909760.

The previous prime is 49998217. The next prime is 49998283. The reversal of 49998231 is 13289994.

It is not a de Polignac number, because 49998231 - 26 = 49998167 is a prime.

It is a super-2 number, since 2×499982312 = 4999646206258722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998031) 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 11 ways as a sum of consecutive naturals, for example, 34450 + ... + 35871.

Almost surely, 249998231 is an apocalyptic number.

49998231 is a deficient number, since it is larger than the sum of its proper divisors (23136649).

49998231 is a wasteful number, since it uses less digits than its factorization.

49998231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70406 (or 70403 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 49998231 is about 7070.9427235695. The cubic root of 49998231 is about 368.3988051117.

The spelling of 49998231 in words is "forty-nine million, nine hundred ninety-eight thousand, two hundred thirty-one".

Divisors: 1 3 9 79 237 711 70321 210963 632889 5555359 16666077 49998231