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1827465980 = 225194809121
BaseRepresentation
bin110110011101100…
…1110101011111100
311201100200220001012
41230323032223330
512220312402410
6501200534352
763200130104
oct15473165374
94640626035
101827465980
1185861426a
124300213b8
132317b8822
141349c6204
15aa681605
hex6ceceafc

1827465980 has 24 divisors (see below), whose sum is σ = 4039662480. Its totient is φ = 692513280.

The previous prime is 1827465979. The next prime is 1827466019. The reversal of 1827465980 is 895647281.

It is a congruent number.

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, 2404181 + ... + 2404940.

It is an arithmetic number, because the mean of its divisors is an integer number (168319270).

Almost surely, 21827465980 is an apocalyptic number.

1827465980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1827465980 is an abundant number, since it is smaller than the sum of its proper divisors (2212196500).

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

1827465980 is a wasteful number, since it uses less digits than its factorization.

1827465980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809149 (or 4809147 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 1827465980 is about 42748.8710962056. The cubic root of 1827465980 is about 1222.5963652303.

The spelling of 1827465980 in words is "one billion, eight hundred twenty-seven million, four hundred sixty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 4809121 9618242 19236484 24045605 48091210 91373299 96182420 182746598 365493196 456866495 913732990 1827465980