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50085987 = 3722931379
BaseRepresentation
bin1011111100010…
…0000001100011
310111020122001120
42333010001203
5100310222422
64545303323
71145503200
oct277040143
9114218046
1050085987
11262aa386
1214934b43
13a4b85a3
14691aca7
1545e545c
hex2fc4063

50085987 has 48 divisors (see below), whose sum is σ = 83174400. Its totient is φ = 26671680.

The previous prime is 50085979. The next prime is 50085989. The reversal of 50085987 is 78958005.

It is not a de Polignac number, because 50085987 - 23 = 50085979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50085989) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131964 + ... + 132342.

It is an arithmetic number, because the mean of its divisors is an integer number (1732800).

Almost surely, 250085987 is an apocalyptic number.

50085987 is a deficient number, since it is larger than the sum of its proper divisors (33088413).

50085987 is a wasteful number, since it uses less digits than its factorization.

50085987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 50085987 is about 7077.1453990998. The cubic root of 50085987 is about 368.6142147956.

The spelling of 50085987 in words is "fifty million, eighty-five thousand, nine hundred eighty-seven".

Divisors: 1 3 7 21 29 31 49 87 93 147 203 217 379 609 651 899 1137 1421 1519 2653 2697 4263 4557 6293 7959 10991 11749 18571 18879 32973 35247 44051 55713 76937 82243 132153 230811 246729 340721 538559 575701 1022163 1615677 1727103 2385047 7155141 16695329 50085987