Base | Representation |
---|---|
bin | 1000000111100110… |
… | …0010000001110100 |
3 | 12121212211001211010 |
4 | 2001321202001310 |
5 | 13430402424302 |
6 | 1000130512220 |
7 | 105002051040 |
oct | 20171420164 |
9 | 5555731733 |
10 | 2179342452 |
11 | a19200271 |
12 | 509a35670 |
13 | 28967ab61 |
14 | 169621020 |
15 | cb4db16c |
hex | 81e62074 |
2179342452 has 48 divisors (see below), whose sum is σ = 5830336512. Its totient is φ = 620659680.
The previous prime is 2179342447. The next prime is 2179342453. The reversal of 2179342452 is 2542439712.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 2179342452.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2179342453) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15588 + ... + 67835.
It is an arithmetic number, because the mean of its divisors is an integer number (121465344).
Almost surely, 22179342452 is an apocalyptic number.
It is an amenable number.
2179342452 is an abundant number, since it is smaller than the sum of its proper divisors (3650994060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2179342452 is a wasteful number, since it uses less digits than its factorization.
2179342452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83748 (or 83746 counting only the distinct ones).
The product of its digits is 120960, while the sum is 39.
The square root of 2179342452 is about 46683.4280232290. The cubic root of 2179342452 is about 1296.5078766027.
The spelling of 2179342452 in words is "two billion, one hundred seventy-nine million, three hundred forty-two thousand, four hundred fifty-two".
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