Base | Representation |
---|---|
bin | 10100100100100… |
… | …111010111010101 |
3 | 220001110001211111 |
4 | 110210213113111 |
5 | 1201324031431 |
6 | 54125335021 |
7 | 11360444026 |
oct | 2444472725 |
9 | 801401744 |
10 | 345142741 |
11 | 167907939 |
12 | 97707471 |
13 | 56675398 |
14 | 33ba4c4d |
15 | 204797b1 |
hex | 149275d5 |
345142741 has 4 divisors (see below), whose sum is σ = 347209632. Its totient is φ = 343075852.
The previous prime is 345142739. The next prime is 345142751. The reversal of 345142741 is 147241543.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 345142741 - 21 = 345142739 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345142751) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033195 + ... + 1033528.
It is an arithmetic number, because the mean of its divisors is an integer number (86802408).
Almost surely, 2345142741 is an apocalyptic number.
It is an amenable number.
345142741 is a deficient number, since it is larger than the sum of its proper divisors (2066891).
345142741 is a wasteful number, since it uses less digits than its factorization.
345142741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2066890.
The product of its digits is 13440, while the sum is 31.
The square root of 345142741 is about 18578.0176821963. The cubic root of 345142741 is about 701.4546220944.
The spelling of 345142741 in words is "three hundred forty-five million, one hundred forty-two thousand, seven hundred forty-one".
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