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50706461 = 13174792
BaseRepresentation
bin1100000101101…
…1100000011101
310112102011012002
43001123200131
5100440101321
65010452045
71153666151
oct301334035
9115364162
1050706461
1126693573
1214b94025
13a674b30
146a3d061
1546b920b
hex305b81d

50706461 has 12 divisors (see below), whose sum is σ = 57940092. Its totient is φ = 43960704.

The previous prime is 50706449. The next prime is 50706493. The reversal of 50706461 is 16460705.

It can be written as a sum of positive squares in 2 ways, for example, as 22944100 + 27762361 = 4790^2 + 5269^2 .

It is not a de Polignac number, because 50706461 - 222 = 46512157 is a prime.

It is a super-2 number, since 2×507064612 = 5142290374289042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50706431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105620 + ... + 106098.

It is an arithmetic number, because the mean of its divisors is an integer number (4828341).

Almost surely, 250706461 is an apocalyptic number.

It is an amenable number.

50706461 is a deficient number, since it is larger than the sum of its proper divisors (7233631).

50706461 is an equidigital number, since it uses as much as digits as its factorization.

50706461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 50706461 is about 7120.8469299656. The cubic root of 50706461 is about 370.1301246720.

The spelling of 50706461 in words is "fifty million, seven hundred six thousand, four hundred sixty-one".

Divisors: 1 13 17 221 479 6227 8143 105859 229441 2982733 3900497 50706461