Base | Representation |
---|---|
bin | 1101001001110… |
… | …1011001101101 |
3 | 10211210221221010 |
4 | 3102131121231 |
5 | 103110430134 |
6 | 5250255433 |
7 | 1236641301 |
oct | 322353155 |
9 | 124727833 |
10 | 55170669 |
11 | 291625a4 |
12 | 16587579 |
13 | b578a88 |
14 | 7481d01 |
15 | 4c9bce9 |
hex | 349d66d |
55170669 has 8 divisors (see below), whose sum is σ = 75933952. Its totient is φ = 35593920.
The previous prime is 55170667. The next prime is 55170671. The reversal of 55170669 is 96607155.
It is an interprime number because it is at equal distance from previous prime (55170667) and next prime (55170671).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55170669 - 21 = 55170667 is a prime.
It is a super-2 number, since 2×551706692 = 6087605435815122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55170667) 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, 296524 + ... + 296709.
It is an arithmetic number, because the mean of its divisors is an integer number (9491744).
Almost surely, 255170669 is an apocalyptic number.
It is an amenable number.
55170669 is a deficient number, since it is larger than the sum of its proper divisors (20763283).
55170669 is a wasteful number, since it uses less digits than its factorization.
55170669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 593267.
The product of its (nonzero) digits is 56700, while the sum is 39.
The square root of 55170669 is about 7427.6960761733. The cubic root of 55170669 is about 380.6882011687.
It can be divided in two parts, 551706 and 69, that added together give a triangular number (551775 = T1050).
The spelling of 55170669 in words is "fifty-five million, one hundred seventy thousand, six hundred sixty-nine".
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