Search a number
-
+
620397597 = 3451345823
BaseRepresentation
bin100100111110101…
…000010000011101
31121020101110111210
4210332220100131
52232310210342
6141321135033
721242202231
oct4476502035
91536343453
10620397597
1129921a996
1215392a479
139b6bac91
145c5765c1
15396eb79c
hex24fa841d

620397597 has 8 divisors (see below), whose sum is σ = 827398144. Its totient is φ = 413497728.

The previous prime is 620397563. The next prime is 620397599. The reversal of 620397597 is 795793026.

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

It is not a de Polignac number, because 620397597 - 214 = 620381213 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 (620397599) 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, 9373 + ... + 36450.

It is an arithmetic number, because the mean of its divisors is an integer number (103424768).

Almost surely, 2620397597 is an apocalyptic number.

It is an amenable number.

620397597 is a deficient number, since it is larger than the sum of its proper divisors (207000547).

620397597 is a wasteful number, since it uses less digits than its factorization.

620397597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50339.

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 620397597 is about 24907.7818562794. The cubic root of 620397597 is about 852.8841344951.

The spelling of 620397597 in words is "six hundred twenty million, three hundred ninety-seven thousand, five hundred ninety-seven".

Divisors: 1 3 4513 13539 45823 137469 206799199 620397597