Base | Representation |
---|---|
bin | 1100101000011… |
… | …0110101101101 |
3 | 10200200201102000 |
4 | 3022012311231 |
5 | 102030343401 |
6 | 5131322513 |
7 | 1212221565 |
oct | 312066555 |
9 | 120621360 |
10 | 52981101 |
11 | 279a7538 |
12 | 158b0439 |
13 | ac90284 |
14 | 7071da5 |
15 | 49b8186 |
hex | 3286d6d |
52981101 has 32 divisors (see below), whose sum is σ = 83328000. Its totient is φ = 33176304.
The previous prime is 52981099. The next prime is 52981111. The reversal of 52981101 is 10118925.
It is not a de Polignac number, because 52981101 - 21 = 52981099 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52981111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70936 + ... + 71678.
It is an arithmetic number, because the mean of its divisors is an integer number (2604000).
Almost surely, 252981101 is an apocalyptic number.
It is an amenable number.
52981101 is a deficient number, since it is larger than the sum of its proper divisors (30346899).
52981101 is a wasteful number, since it uses less digits than its factorization.
52981101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910 (or 904 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 27.
The square root of 52981101 is about 7278.8117849001. The cubic root of 52981101 is about 375.5839222874.
The spelling of 52981101 in words is "fifty-two million, nine hundred eighty-one thousand, one hundred one".
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