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50806940 = 2257093583
BaseRepresentation
bin1100000111010…
…0000010011100
310112121021000112
43001310002130
5101001310230
65012545152
71154565122
oct301640234
9115537015
1050806940
1126752008
12150221b8
13a6ab7a2
146a67912
1546d8d95
hex307409c

50806940 has 24 divisors (see below), whose sum is σ = 106874880. Its totient is φ = 20288448.

The previous prime is 50806871. The next prime is 50806949. The reversal of 50806940 is 4960805.

It is a junction number, because it is equal to n+sod(n) for n = 50806897 and 50806906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50806949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12389 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (4453120).

Almost surely, 250806940 is an apocalyptic number.

It is an amenable number.

50806940 is an abundant number, since it is smaller than the sum of its proper divisors (56067940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50806940 is a wasteful number, since it uses less digits than its factorization.

50806940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 50806940 is about 7127.8987085957. The cubic root of 50806940 is about 370.3744444021.

The spelling of 50806940 in words is "fifty million, eight hundred six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 709 1418 2836 3545 3583 7090 7166 14180 14332 17915 35830 71660 2540347 5080694 10161388 12701735 25403470 50806940