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28674479850 = 23521910061221
BaseRepresentation
bin11010101101001000…
…011101011011101010
32202000101002111120020
4122231020131123222
5432211131323400
621101201341310
72033403025422
oct325510353352
982011074506
1028674479850
1111184aa6135
125683037836
13291c893253
1415603a3482
15b2c5972a0
hex6ad21d6ea

28674479850 has 48 divisors (see below), whose sum is σ = 74855491680. Its totient is φ = 7244078400.

The previous prime is 28674479833. The next prime is 28674479929. The reversal of 28674479850 is 5897447682.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5027761 + ... + 5033460.

It is an arithmetic number, because the mean of its divisors is an integer number (1559489410).

Almost surely, 228674479850 is an apocalyptic number.

28674479850 is an abundant number, since it is smaller than the sum of its proper divisors (46181011830).

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

28674479850 is a wasteful number, since it uses less digits than its factorization.

28674479850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061255 (or 10061250 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 28674479850 in words is "twenty-eight billion, six hundred seventy-four million, four hundred seventy-nine thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 95 114 150 190 285 475 570 950 1425 2850 10061221 20122442 30183663 50306105 60367326 100612210 150918315 191163199 251530525 301836630 382326398 503061050 573489597 754591575 955815995 1146979194 1509183150 1911631990 2867447985 4779079975 5734895970 9558159950 14337239925 28674479850