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620313117 = 3251823789
BaseRepresentation
bin100100111110010…
…011101000011101
31121020020011121220
4210332103220131
52232300004432
6141315243553
721241401024
oct4476235035
91536204556
10620313117
11299172476
121538a95b9
139b68b6a8
145c5538bb
15396d172c
hex24f93a1d

620313117 has 8 divisors (see below), whose sum is σ = 830380320. Its totient is φ = 411894000.

The previous prime is 620313107. The next prime is 620313137. The reversal of 620313117 is 711313026.

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

It is not a de Polignac number, because 620313117 - 216 = 620247581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620313107) 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, 411142 + ... + 412647.

It is an arithmetic number, because the mean of its divisors is an integer number (103797540).

Almost surely, 2620313117 is an apocalyptic number.

It is an amenable number.

620313117 is a deficient number, since it is larger than the sum of its proper divisors (210067203).

620313117 is a wasteful number, since it uses less digits than its factorization.

620313117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824043.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 620313117 is about 24906.0859429979. The cubic root of 620313117 is about 852.8454201165.

Subtracting 620313117 from its reverse (711313026), we obtain a palindrome (90999909).

The spelling of 620313117 in words is "six hundred twenty million, three hundred thirteen thousand, one hundred seventeen".

Divisors: 1 3 251 753 823789 2471367 206771039 620313117