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50313115 = 5172920411
BaseRepresentation
bin1011111111101…
…1011110011011
310111200011121201
42333323132123
5100340004430
64554215031
71150440316
oct277733633
9114604551
1050313115
1126444a96
1214a24477
13a567a98
14697997d
15463c8ca
hex2ffb79b

50313115 has 16 divisors (see below), whose sum is σ = 66134880. Its totient is φ = 36574720.

The previous prime is 50313103. The next prime is 50313119. The reversal of 50313115 is 51131305.

It is not a de Polignac number, because 50313115 - 221 = 48215963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50313092 and 50313101.

It is not an unprimeable number, because it can be changed into a prime (50313119) 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, 7741 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (4133430).

Almost surely, 250313115 is an apocalyptic number.

50313115 is a deficient number, since it is larger than the sum of its proper divisors (15821765).

50313115 is a wasteful number, since it uses less digits than its factorization.

50313115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20462.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 50313115 is about 7093.1738312268. The cubic root of 50313115 is about 369.1705671690.

The spelling of 50313115 in words is "fifty million, three hundred thirteen thousand, one hundred fifteen".

Divisors: 1 5 17 29 85 145 493 2465 20411 102055 346987 591919 1734935 2959595 10062623 50313115