Base | Representation |
---|---|
bin | 111100110011111… |
… | …101000010110101 |
3 | 2122002210012002202 |
4 | 330303331002311 |
5 | 4042141033331 |
6 | 245123314245 |
7 | 34166000423 |
oct | 7463750265 |
9 | 2562705082 |
10 | 1020252341 |
11 | 4839a6759 |
12 | 24581b985 |
13 | 1334ab414 |
14 | 99700113 |
15 | 5e881ecb |
hex | 3ccfd0b5 |
1020252341 has 4 divisors (see below), whose sum is σ = 1028285952. Its totient is φ = 1012218732.
The previous prime is 1020252287. The next prime is 1020252347. The reversal of 1020252341 is 1432520201.
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 a de Polignac number, because none of the positive numbers 2k-1020252341 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 (1020252347) 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, 4016615 + ... + 4016868.
It is an arithmetic number, because the mean of its divisors is an integer number (257071488).
Almost surely, 21020252341 is an apocalyptic number.
It is an amenable number.
1020252341 is a deficient number, since it is larger than the sum of its proper divisors (8033611).
1020252341 is an equidigital number, since it uses as much as digits as its factorization.
1020252341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8033610.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1020252341 is about 31941.3891526339. The cubic root of 1020252341 is about 1006.7057132324.
Adding to 1020252341 its reverse (1432520201), we get a palindrome (2452772542).
The spelling of 1020252341 in words is "one billion, twenty million, two hundred fifty-two thousand, three hundred forty-one".
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