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613334397 = 31315726523
BaseRepresentation
bin100100100011101…
…011110101111101
31120202002121121210
4210203223311331
52224003200042
6140505515033
721125153634
oct4443536575
91522077553
10613334397
11295236235
121514a2a79
139a0b7080
145b65851b
1538ca3a9c
hex248ebd7d

613334397 has 8 divisors (see below), whose sum is σ = 880685344. Its totient is φ = 377436528.

The previous prime is 613334377. The next prime is 613334401. The reversal of 613334397 is 793433316.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 613334397 - 215 = 613301629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 15726523 = 613334397 / (6 + 1 + 3 + 3 + 3 + 4 + 3 + 9 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613334377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7863223 + ... + 7863300.

It is an arithmetic number, because the mean of its divisors is an integer number (110085668).

Almost surely, 2613334397 is an apocalyptic number.

It is an amenable number.

613334397 is a deficient number, since it is larger than the sum of its proper divisors (267350947).

613334397 is a wasteful number, since it uses less digits than its factorization.

613334397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15726539.

The product of its digits is 122472, while the sum is 39.

The square root of 613334397 is about 24765.5889693744. The cubic root of 613334397 is about 849.6350899618.

The spelling of 613334397 in words is "six hundred thirteen million, three hundred thirty-four thousand, three hundred ninety-seven".

Divisors: 1 3 13 39 15726523 47179569 204444799 613334397