Base | Representation |
---|---|
bin | 1101001101100… |
… | …0010101100111 |
3 | 10212021020001221 |
4 | 3103120111213 |
5 | 103141141241 |
6 | 5255401211 |
7 | 1241665141 |
oct | 323302547 |
9 | 125236057 |
10 | 55412071 |
11 | 29307a00 |
12 | 16683207 |
13 | b631910 |
14 | 7505c91 |
15 | 4ce85d1 |
hex | 34d8567 |
55412071 has 12 divisors (see below), whose sum is σ = 65594536. Its totient is φ = 46498320.
The previous prime is 55412041. The next prime is 55412081. The reversal of 55412071 is 17021455.
It is not a de Polignac number, because 55412071 - 213 = 55403879 is a prime.
It is a super-2 number, since 2×554120712 = 6140995225018082, which contains 22 as substring.
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55412041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16041 + ... + 19186.
Almost surely, 255412071 is an apocalyptic number.
55412071 is a deficient number, since it is larger than the sum of its proper divisors (10182465).
55412071 is a wasteful number, since it uses less digits than its factorization.
55412071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35262 (or 35251 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 55412071 is about 7443.9284655348. The cubic root of 55412071 is about 381.2426333433.
The spelling of 55412071 in words is "fifty-five million, four hundred twelve thousand, seventy-one".
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