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50490357 = 3174312297
BaseRepresentation
bin1100000010011…
…0101111110101
310112000011202020
43000212233311
5100411142412
65002103353
71152106131
oct300465765
9115004666
1050490357
1126556175
1214aaab59
13a5ca668
1469c43c1
15467518c
hex3026bf5

50490357 has 16 divisors (see below), whose sum is σ = 71476992. Its totient is φ = 31592960.

The previous prime is 50490347. The next prime is 50490367. The reversal of 50490357 is 75309405.

It is an interprime number because it is at equal distance from previous prime (50490347) and next prime (50490367).

It is a cyclic number.

It is not a de Polignac number, because 50490357 - 210 = 50489333 is a prime.

It is a super-2 number, since 2×504903572 = 5098552299974898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50490347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20833 + ... + 23129.

It is an arithmetic number, because the mean of its divisors is an integer number (4467312).

Almost surely, 250490357 is an apocalyptic number.

It is an amenable number.

50490357 is a deficient number, since it is larger than the sum of its proper divisors (20986635).

50490357 is a wasteful number, since it uses less digits than its factorization.

50490357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 50490357 is about 7105.6566902715. The cubic root of 50490357 is about 369.6035612628.

The spelling of 50490357 in words is "fifty million, four hundred ninety thousand, three hundred fifty-seven".

Divisors: 1 3 17 51 431 1293 2297 6891 7327 21981 39049 117147 990007 2970021 16830119 50490357