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49937142 = 2317348109
BaseRepresentation
bin1011111001111…
…1101011110110
310110222001212210
42332133223312
5100240442032
64542154250
71144313223
oct276375366
9113861783
1049937142
1126208572
1214882986
13a465908
1468bc94a
1545b62cc
hex2f9faf6

49937142 has 16 divisors (see below), whose sum is σ = 100453680. Its totient is φ = 16549152.

The previous prime is 49937131. The next prime is 49937189. The reversal of 49937142 is 24173994.

It is a super-2 number, since 2×499371422 = 4987436302256328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49937142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23017 + ... + 25092.

It is an arithmetic number, because the mean of its divisors is an integer number (6278355).

Almost surely, 249937142 is an apocalyptic number.

49937142 is an abundant number, since it is smaller than the sum of its proper divisors (50516538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49937142 is a wasteful number, since it uses less digits than its factorization.

49937142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48287.

The product of its digits is 54432, while the sum is 39.

The square root of 49937142 is about 7066.6216822468. The cubic root of 49937142 is about 368.2487045572.

The spelling of 49937142 in words is "forty-nine million, nine hundred thirty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 173 346 519 1038 48109 96218 144327 288654 8322857 16645714 24968571 49937142