Base | Representation |
---|---|
bin | 1000000001111100… |
… | …1010010110000100 |
3 | 12120020020111021220 |
4 | 2000133022112010 |
5 | 13403321334414 |
6 | 553523040340 |
7 | 104263513056 |
oct | 20037122604 |
9 | 5506214256 |
10 | 2155652484 |
11 | a0689a687 |
12 | 501b100b0 |
13 | 2847a501b |
14 | 1664158d6 |
15 | c93abca9 |
hex | 807ca584 |
2155652484 has 24 divisors (see below), whose sum is σ = 5030719680. Its totient is φ = 718427424.
The previous prime is 2155652461. The next prime is 2155652489. The reversal of 2155652484 is 4842565512.
It is not an unprimeable number, because it can be changed into a prime (2155652489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81937 + ... + 104999.
It is an arithmetic number, because the mean of its divisors is an integer number (209613320).
Almost surely, 22155652484 is an apocalyptic number.
It is an amenable number.
2155652484 is an abundant number, since it is smaller than the sum of its proper divisors (2875067196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2155652484 is a wasteful number, since it uses less digits than its factorization.
2155652484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30859 (or 30857 counting only the distinct ones).
The product of its digits is 384000, while the sum is 42.
The square root of 2155652484 is about 46429.0047707249. The cubic root of 2155652484 is about 1291.7929686129.
The spelling of 2155652484 in words is "two billion, one hundred fifty-five million, six hundred fifty-two thousand, four hundred eighty-four".
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