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620610341 = 1347739257
BaseRepresentation
bin100100111111011…
…100001100100101
31121020210021100012
4210333130030211
52232334012331
6141325500005
721244046411
oct4477341445
91536707305
10620610341
1129935580a
12153a11605
139b763a70
145c5cdd41
153973e82b
hex24fdc325

620610341 has 4 divisors (see below), whose sum is σ = 668349612. Its totient is φ = 572871072.

The previous prime is 620610307. The next prime is 620610343. The reversal of 620610341 is 143016026.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 280060225 + 340550116 = 16735^2 + 18454^2 .

It is a cyclic number.

It is not a de Polignac number, because 620610341 - 210 = 620609317 is a prime.

It is a super-2 number, since 2×6206103412 = 770314390712272562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620610343) 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, 23869616 + ... + 23869641.

It is an arithmetic number, because the mean of its divisors is an integer number (167087403).

Almost surely, 2620610341 is an apocalyptic number.

It is an amenable number.

620610341 is a deficient number, since it is larger than the sum of its proper divisors (47739271).

620610341 is a wasteful number, since it uses less digits than its factorization.

620610341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47739270.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 620610341 is about 24912.0521234201. The cubic root of 620610341 is about 852.9816124387.

Adding to 620610341 its reverse (143016026), we get a palindrome (763626367).

The spelling of 620610341 in words is "six hundred twenty million, six hundred ten thousand, three hundred forty-one".

Divisors: 1 13 47739257 620610341