Base | Representation |
---|---|
bin | 1000000001101000… |
… | …1100111110101000 |
3 | 12120010210110010021 |
4 | 2000122030332220 |
5 | 13403003240202 |
6 | 553435130224 |
7 | 104246460142 |
oct | 20032147650 |
9 | 5503713107 |
10 | 2154352552 |
11 | a06091a60 |
12 | 5015a3974 |
13 | 28443b431 |
14 | 166197c92 |
15 | c9201a37 |
hex | 8068cfa8 |
2154352552 has 32 divisors (see below), whose sum is σ = 4447833120. Its totient is φ = 970095040.
The previous prime is 2154352507. The next prime is 2154352553. The reversal of 2154352552 is 2552534512.
It is not an unprimeable number, because it can be changed into a prime (2154352553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104983 + ... + 123814.
It is an arithmetic number, because the mean of its divisors is an integer number (138994785).
Almost surely, 22154352552 is an apocalyptic number.
2154352552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2154352552 is an abundant number, since it is smaller than the sum of its proper divisors (2293480568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154352552 is a wasteful number, since it uses less digits than its factorization.
2154352552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228921 (or 228917 counting only the distinct ones).
The product of its digits is 60000, while the sum is 34.
The square root of 2154352552 is about 46415.0035225680. The cubic root of 2154352552 is about 1291.5332513208.
The spelling of 2154352552 in words is "two billion, one hundred fifty-four million, three hundred fifty-two thousand, five hundred fifty-two".
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