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50297990 = 25471031039
BaseRepresentation
bin1011111111011…
…1110010000110
310111122101212112
42333313302012
5100334013430
64554021022
71150345241
oct277676206
9114571775
1050297990
1126434696
1214a17772
13a560c32
146974258
154638195
hex2ff7c86

50297990 has 32 divisors (see below), whose sum is σ = 93450240. Its totient is φ = 19481184.

The previous prime is 50297927. The next prime is 50297999. The reversal of 50297990 is 9979205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50297999) 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 15 ways as a sum of consecutive naturals, for example, 47891 + ... + 48929.

It is an arithmetic number, because the mean of its divisors is an integer number (2920320).

Almost surely, 250297990 is an apocalyptic number.

50297990 is a deficient number, since it is larger than the sum of its proper divisors (43152250).

50297990 is a wasteful number, since it uses less digits than its factorization.

50297990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 50297990 is about 7092.1075851964. The cubic root of 50297990 is about 369.1335704241.

The spelling of 50297990 in words is "fifty million, two hundred ninety-seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 47 94 103 206 235 470 515 1030 1039 2078 4841 5195 9682 10390 24205 48410 48833 97666 107017 214034 244165 488330 535085 1070170 5029799 10059598 25148995 50297990