Base | Representation |
---|---|
bin | 101011100111… |
… | …1001000000000 |
3 | 1121000211122202 |
4 | 1113033020000 |
5 | 21323242410 |
6 | 2134052332 |
7 | 365243645 |
oct | 127171000 |
9 | 47024582 |
10 | 22868480 |
11 | 119aa478 |
12 | 77aa0a8 |
13 | 4978c5b |
14 | 3073dcc |
15 | 201aca5 |
hex | 15cf200 |
22868480 has 40 divisors (see below), whose sum is σ = 54836892. Its totient is φ = 9146368.
The previous prime is 22868477. The next prime is 22868513. The reversal of 22868480 is 8486822.
It can be written as a sum of positive squares in 2 ways, for example, as 21977344 + 891136 = 4688^2 + 944^2 .
It is a tau number, because it is divible by the number of its divisors (40).
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, 1907 + ... + 7026.
Almost surely, 222868480 is an apocalyptic number.
22868480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22868480 is an abundant number, since it is smaller than the sum of its proper divisors (31968412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22868480 is an frugal number, since it uses more digits than its factorization.
22868480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8956 (or 8940 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 38.
The square root of 22868480 is about 4782.0999571318. The cubic root of 22868480 is about 283.8435956901.
The spelling of 22868480 in words is "twenty-two million, eight hundred sixty-eight thousand, four hundred eighty".
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