Base | Representation |
---|---|
bin | 1101000111011… |
… | …1011011110000 |
3 | 10211112001121020 |
4 | 3101313123300 |
5 | 103040441102 |
6 | 5243055440 |
7 | 1235423013 |
oct | 321673360 |
9 | 124461536 |
10 | 55015152 |
11 | 29066775 |
12 | 16511580 |
13 | b52305a |
14 | 744137a |
15 | 4c6abbc |
hex | 34776f0 |
55015152 has 40 divisors (see below), whose sum is σ = 145968336. Its totient is φ = 17842176.
The previous prime is 55015133. The next prime is 55015157. The reversal of 55015152 is 25151055.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55015157) 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, 13713 + ... + 17264.
Almost surely, 255015152 is an apocalyptic number.
It is an amenable number.
55015152 is an abundant number, since it is smaller than the sum of its proper divisors (90953184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55015152 is a wasteful number, since it uses less digits than its factorization.
55015152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31025 (or 31019 counting only the distinct ones).
The product of its (nonzero) digits is 1250, while the sum is 24.
The square root of 55015152 is about 7417.2199643802. The cubic root of 55015152 is about 380.3301654974.
The spelling of 55015152 in words is "fifty-five million, fifteen thousand, one hundred fifty-two".
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