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620258496 = 2631113192941
BaseRepresentation
bin100100111110000…
…110010011000000
31121020010101200220
4210332012103000
52232241232441
6141314143040
721241052544
oct4476062300
91536111626
10620258496
11299135430
12153881a80
139b66c880
145c53ba24
15396c0466
hex24f864c0

620258496 has 448 divisors, whose sum is σ = 2150668800. Its totient is φ = 154828800.

The previous prime is 620258489. The next prime is 620258501. The reversal of 620258496 is 694852026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15128236 + ... + 15128276.

It is an arithmetic number, because the mean of its divisors is an integer number (4800600).

Almost surely, 2620258496 is an apocalyptic number.

620258496 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620258496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075334400).

620258496 is an abundant number, since it is smaller than the sum of its proper divisors (1530410304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620258496 is a wasteful number, since it uses less digits than its factorization.

620258496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 620258496 is about 24904.9893796404. The cubic root of 620258496 is about 852.8203872550.

The spelling of 620258496 in words is "six hundred twenty million, two hundred fifty-eight thousand, four hundred ninety-six".