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50078331 = 342921319
BaseRepresentation
bin1011111100001…
…0001001111011
310111020020120000
42333002021323
5100310001311
64545204043
71145441652
oct277021173
9114206500
1050078331
11262a4656
1214930623
13a4b4c64
146918199
1545e3056
hex2fc227b

50078331 has 20 divisors (see below), whose sum is σ = 77391600. Its totient is φ = 32232816.

The previous prime is 50078309. The next prime is 50078339. The reversal of 50078331 is 13387005.

It is not a de Polignac number, because 50078331 - 26 = 50078267 is a prime.

It is a super-2 number, since 2×500783312 = 5015678471491122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50078295 and 50078304.

It is not an unprimeable number, because it can be changed into a prime (50078339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8311 + ... + 13008.

It is an arithmetic number, because the mean of its divisors is an integer number (3869580).

Almost surely, 250078331 is an apocalyptic number.

50078331 is a deficient number, since it is larger than the sum of its proper divisors (27313269).

50078331 is a wasteful number, since it uses less digits than its factorization.

50078331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21360 (or 21351 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 50078331 is about 7076.6044823771. The cubic root of 50078331 is about 368.5954320688.

The spelling of 50078331 in words is "fifty million, seventy-eight thousand, three hundred thirty-one".

Divisors: 1 3 9 27 29 81 87 261 783 2349 21319 63957 191871 575613 618251 1726839 1854753 5564259 16692777 50078331