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1874320028 = 22766940001
BaseRepresentation
bin110111110110111…
…1101101010011100
311211121212022201022
41233231331222130
512314311220103
6505553103312
764306312610
oct15755755234
94747768638
101874320028
11882006419
12443857b38
1323b412009
1413ad01340
15ae839138
hex6fb7da9c

1874320028 has 12 divisors (see below), whose sum is σ = 3748640112. Its totient is φ = 803280000.

The previous prime is 1874319971. The next prime is 1874320031. The reversal of 1874320028 is 8200234781.

1874320028 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1874320028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33469973 + ... + 33470028.

It is an arithmetic number, because the mean of its divisors is an integer number (312386676).

Almost surely, 21874320028 is an apocalyptic number.

It is an amenable number.

1874320028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1874320028 is a wasteful number, since it uses less digits than its factorization.

1874320028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66940012 (or 66940010 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1874320028 is about 43293.4178368953. The cubic root of 1874320028 is about 1232.9569564617.

The spelling of 1874320028 in words is "one billion, eight hundred seventy-four million, three hundred twenty thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 66940001 133880002 267760004 468580007 937160014 1874320028