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613685201 = 5631090027
BaseRepresentation
bin100100100101000…
…001011111010001
31120202202102211112
4210211001133101
52224100411301
6140521223105
721131144453
oct4445013721
91522672745
10613685201
11295455858
12151631a95
139a1aa94c
145b70a2d3
1538d229bb
hex249417d1

613685201 has 4 divisors (see below), whose sum is σ = 614775792. Its totient is φ = 612594612.

The previous prime is 613685179. The next prime is 613685239. The reversal of 613685201 is 102586316.

It is a happy number.

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 613685201 - 222 = 609490897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613687201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544451 + ... + 545576.

It is an arithmetic number, because the mean of its divisors is an integer number (153693948).

Almost surely, 2613685201 is an apocalyptic number.

It is an amenable number.

613685201 is a deficient number, since it is larger than the sum of its proper divisors (1090591).

613685201 is a wasteful number, since it uses less digits than its factorization.

613685201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090590.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 613685201 is about 24772.6704454728. The cubic root of 613685201 is about 849.7970454313.

The spelling of 613685201 in words is "six hundred thirteen million, six hundred eighty-five thousand, two hundred one".

Divisors: 1 563 1090027 613685201