Base | Representation |
---|---|
bin | 1010110010101101… |
… | …0001001000100000 |
3 | 21110220021001011102 |
4 | 2230223101020200 |
5 | 21413114223040 |
6 | 1155245133532 |
7 | 131535202466 |
oct | 25453211040 |
9 | 7426231142 |
10 | 2897023520 |
11 | 1257326716 |
12 | 68a25a2a8 |
13 | 37226b001 |
14 | 1d6a7c836 |
15 | 11e502515 |
hex | acad1220 |
2897023520 has 48 divisors (see below), whose sum is σ = 7003402560. Its totient is φ = 1131857664.
The previous prime is 2897023463. The next prime is 2897023541. The reversal of 2897023520 is 253207982.
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, 203660 + ... + 217419.
It is an arithmetic number, because the mean of its divisors is an integer number (145904220).
Almost surely, 22897023520 is an apocalyptic number.
2897023520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2897023520 is an abundant number, since it is smaller than the sum of its proper divisors (4106379040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2897023520 is a wasteful number, since it uses less digits than its factorization.
2897023520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421137 (or 421129 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 38.
The square root of 2897023520 is about 53824.0050535075. The cubic root of 2897023520 is about 1425.5550963480. Note that the first 3 decimals are identical.
The spelling of 2897023520 in words is "two billion, eight hundred ninety-seven million, twenty-three thousand, five hundred twenty".
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