Base | Representation |
---|---|
bin | 1100011011011… |
… | …1011101000111 |
3 | 10122002120012001 |
4 | 3012313131013 |
5 | 101321203110 |
6 | 5101210131 |
7 | 1202053222 |
oct | 306673507 |
9 | 118076161 |
10 | 52131655 |
11 | 27477314 |
12 | 15560947 |
13 | aa53744 |
14 | 6cd05b9 |
15 | 489b63a |
hex | 31b7747 |
52131655 has 8 divisors (see below), whose sum is σ = 63177984. Its totient is φ = 41292000.
The previous prime is 52131587. The next prime is 52131671. The reversal of 52131655 is 55613125.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52131655 - 29 = 52131143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51111 + ... + 52120.
It is an arithmetic number, because the mean of its divisors is an integer number (7897248).
Almost surely, 252131655 is an apocalyptic number.
52131655 is a deficient number, since it is larger than the sum of its proper divisors (11046329).
52131655 is a wasteful number, since it uses less digits than its factorization.
52131655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103337.
The product of its digits is 4500, while the sum is 28.
The square root of 52131655 is about 7220.2254119937. The cubic root of 52131655 is about 373.5658526191.
Subtracting from 52131655 its product of digits (4500), we obtain a triangular number (52127155 = T10210).
The spelling of 52131655 in words is "fifty-two million, one hundred thirty-one thousand, six hundred fifty-five".
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