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50378728 = 2319431769
BaseRepresentation
bin1100000000101…
…1011111101000
310111210111121211
43000023133220
5100344104403
64555442504
71151132521
oct300133750
9114714554
1050378728
112648a314
1214a56434
13a58b8ca
146995848
15465206d
hex300b7e8

50378728 has 32 divisors (see below), whose sum is σ = 99792000. Its totient is φ = 23777280.

The previous prime is 50378711. The next prime is 50378749. The reversal of 50378728 is 82787305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65128 + ... + 65896.

It is an arithmetic number, because the mean of its divisors is an integer number (3118500).

Almost surely, 250378728 is an apocalyptic number.

It is an amenable number.

50378728 is a deficient number, since it is larger than the sum of its proper divisors (49413272).

50378728 is a wasteful number, since it uses less digits than its factorization.

50378728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 50378728 is about 7097.7974048292. The cubic root of 50378728 is about 369.3309750907.

The spelling of 50378728 in words is "fifty million, three hundred seventy-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 19 38 76 152 431 769 862 1538 1724 3076 3448 6152 8189 14611 16378 29222 32756 58444 65512 116888 331439 662878 1325756 2651512 6297341 12594682 25189364 50378728