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1920004092 = 223272773361
BaseRepresentation
bin111001001110000…
…1110111111111100
311221210211022110200
41302130032333330
512413010112332
6514304203500
765402523366
oct16234167774
94853738420
101920004092
118a5879546
12457009590
13247a18ac6
14142dd3d36
15b386017c
hex7270effc

1920004092 has 36 divisors (see below), whose sum is σ = 4860085776. Its totient is φ = 639112320.

The previous prime is 1920004087. The next prime is 1920004103. The reversal of 1920004092 is 2904000291.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10509 + ... + 62852.

Almost surely, 21920004092 is an apocalyptic number.

1920004092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1920004092 is an abundant number, since it is smaller than the sum of its proper divisors (2940081684).

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

1920004092 is a wasteful number, since it uses less digits than its factorization.

1920004092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74098 (or 74093 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1920004092 is about 43817.8512937364. The cubic root of 1920004092 is about 1242.8938853528.

The spelling of 1920004092 in words is "one billion, nine hundred twenty million, four thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 727 1454 2181 2908 4362 6543 8724 13086 26172 73361 146722 220083 293444 440166 660249 880332 1320498 2640996 53333447 106666894 160000341 213333788 320000682 480001023 640001364 960002046 1920004092