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49942728 = 23321163059
BaseRepresentation
bin1011111010000…
…1000011001000
310110222100112200
42332201003020
5100241131403
64542240200
71144335423
oct276410310
9113870480
1049942728
1126211790
1214886060
13a468314
1468c09ba
1545b7ca3
hex2fa10c8

49942728 has 48 divisors (see below), whose sum is σ = 147560400. Its totient is φ = 15133920.

The previous prime is 49942703. The next prime is 49942747. The reversal of 49942728 is 82724994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30738 + ... + 32321.

It is an arithmetic number, because the mean of its divisors is an integer number (3074175).

Almost surely, 249942728 is an apocalyptic number.

It is an amenable number.

49942728 is an abundant number, since it is smaller than the sum of its proper divisors (97617672).

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

49942728 is a wasteful number, since it uses less digits than its factorization.

49942728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63082 (or 63075 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 49942728 is about 7067.0169095595. The cubic root of 49942728 is about 368.2624348888.

The spelling of 49942728 in words is "forty-nine million, nine hundred forty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 63059 126118 189177 252236 378354 504472 567531 693649 756708 1135062 1387298 1513416 2080947 2270124 2774596 4161894 4540248 5549192 6242841 8323788 12485682 16647576 24971364 49942728