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50438740 = 22511229267
BaseRepresentation
bin1100000001101…
…0001001010100
310111220112221111
43000122021110
5100403014430
65001024404
71151502502
oct300321124
9114815844
1050438740
1126520410
1214a85104
13a5b0011
1469ad672
154664c2a
hex301a254

50438740 has 24 divisors (see below), whose sum is σ = 115551072. Its totient is φ = 18341280.

The previous prime is 50438737. The next prime is 50438741. The reversal of 50438740 is 4783405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50438741) 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, 114414 + ... + 114853.

It is an arithmetic number, because the mean of its divisors is an integer number (4814628).

Almost surely, 250438740 is an apocalyptic number.

It is an amenable number.

50438740 is an abundant number, since it is smaller than the sum of its proper divisors (65112332).

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

50438740 is a wasteful number, since it uses less digits than its factorization.

50438740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229287 (or 229285 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 50438740 is about 7102.0236552690. The cubic root of 50438740 is about 369.4775680169.

The spelling of 50438740 in words is "fifty million, four hundred thirty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 229267 458534 917068 1146335 2292670 2521937 4585340 5043874 10087748 12609685 25219370 50438740