Base | Representation |
---|---|
bin | 111001001110110… |
… | …0001110000101000 |
3 | 11221211110112110210 |
4 | 1302131201300220 |
5 | 12413101434310 |
6 | 514315341120 |
7 | 65405434605 |
oct | 16235416050 |
9 | 4854415423 |
10 | 1920343080 |
11 | 8a5a901a7 |
12 | 4571517a0 |
13 | 247b071a6 |
14 | 1430816ac |
15 | b38ca820 |
hex | 72761c28 |
1920343080 has 64 divisors (see below), whose sum is σ = 5765981760. Its totient is φ = 511651328.
The previous prime is 1920343003. The next prime is 1920343153. The reversal of 1920343080 is 803430291.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147724 + ... + 160196.
It is an arithmetic number, because the mean of its divisors is an integer number (90093465).
Almost surely, 21920343080 is an apocalyptic number.
1920343080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1920343080 is an abundant number, since it is smaller than the sum of its proper divisors (3845638680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1920343080 is a wasteful number, since it uses less digits than its factorization.
1920343080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13770 (or 13766 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 1920343080 is about 43821.7192725251. The cubic root of 1920343080 is about 1242.9670277870.
The spelling of 1920343080 in words is "one billion, nine hundred twenty million, three hundred forty-three thousand, eighty".
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