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50028732 = 22331322741
BaseRepresentation
bin1011111011011…
…0000010111100
310111010201112000
42332312002330
5100301404412
64544142300
71145144235
oct276660274
9114121460
1050028732
1126270366
1214907990
13a498500
14690408c
1545d34dc
hex2fb60bc

50028732 has 72 divisors (see below), whose sum is σ = 140500080. Its totient is φ = 15387840.

The previous prime is 50028721. The next prime is 50028751. The reversal of 50028732 is 23782005.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50028696 and 50028705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16882 + ... + 19622.

It is an arithmetic number, because the mean of its divisors is an integer number (1951390).

Almost surely, 250028732 is an apocalyptic number.

50028732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50028732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70250040).

50028732 is an abundant number, since it is smaller than the sum of its proper divisors (90471348).

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

50028732 is a wasteful number, since it uses less digits than its factorization.

50028732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 50028732 is about 7073.0991792848. The cubic root of 50028732 is about 368.4737027469.

The spelling of 50028732 in words is "fifty million, twenty-eight thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 169 234 338 351 468 507 676 702 1014 1404 1521 2028 2741 3042 4563 5482 6084 8223 9126 10964 16446 18252 24669 32892 35633 49338 71266 74007 98676 106899 142532 148014 213798 296028 320697 427596 463229 641394 926458 962091 1282788 1389687 1852916 1924182 2779374 3848364 4169061 5558748 8338122 12507183 16676244 25014366 50028732