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50286638 = 229867011
BaseRepresentation
bin1011111111010…
…1000000101110
310111121211022002
42333311000232
5100333133023
64553452302
71150300163
oct277650056
9114554262
1050286638
1126427106
1214a11092
13a558a0c
14697006a
154634b28
hex2ff502e

50286638 has 8 divisors (see below), whose sum is σ = 78031080. Its totient is φ = 24276280.

The previous prime is 50286617. The next prime is 50286659. The reversal of 50286638 is 83668205.

It is an interprime number because it is at equal distance from previous prime (50286617) and next prime (50286659).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×502866382 = 5057491922686088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433448 + ... + 433563.

It is an arithmetic number, because the mean of its divisors is an integer number (9753885).

Almost surely, 250286638 is an apocalyptic number.

50286638 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

50286638 is a deficient number, since it is larger than the sum of its proper divisors (27744442).

50286638 is a wasteful number, since it uses less digits than its factorization.

50286638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867042.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 50286638 is about 7091.3072137653. The cubic root of 50286638 is about 369.1057978128.

The spelling of 50286638 in words is "fifty million, two hundred eighty-six thousand, six hundred thirty-eight".

Divisors: 1 2 29 58 867011 1734022 25143319 50286638