Base | Representation |
---|---|
bin | 1000010100011… |
… | …1001011000011 |
3 | 2102122211022001 |
4 | 2011013023003 |
5 | 32413111111 |
6 | 3243524431 |
7 | 602412220 |
oct | 205071303 |
9 | 72584261 |
10 | 34894531 |
11 | 18773861 |
12 | b829717 |
13 | 72c9a69 |
14 | 48c4947 |
15 | 30e41c1 |
hex | 21472c3 |
34894531 has 4 divisors (see below), whose sum is σ = 39879472. Its totient is φ = 29909592.
The previous prime is 34894529. The next prime is 34894549. The reversal of 34894531 is 13549843.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13549843 = 79 ⋅171517.
It is a cyclic number.
It is not a de Polignac number, because 34894531 - 21 = 34894529 is a prime.
It is a super-2 number, since 2×348945312 = 2435256587419922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (34894331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2492460 + ... + 2492473.
It is an arithmetic number, because the mean of its divisors is an integer number (9969868).
Almost surely, 234894531 is an apocalyptic number.
34894531 is the 3411-st hex number.
34894531 is a deficient number, since it is larger than the sum of its proper divisors (4984941).
34894531 is an equidigital number, since it uses as much as digits as its factorization.
34894531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4984940.
The product of its digits is 51840, while the sum is 37.
The square root of 34894531 is about 5907.1593003744. The cubic root of 34894531 is about 326.7777327226. Note that the first 4 decimals are identical.
The spelling of 34894531 in words is "thirty-four million, eight hundred ninety-four thousand, five hundred thirty-one".
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