Search a number
-
+
620462250 = 232532937257
BaseRepresentation
bin100100111110111…
…000000010101010
31121020111202012100
4210332320002222
52232314243000
6141322354230
721242561562
oct4476700252
91536452170
10620462250
11299264521
1215395b976
139b711535
145c591da2
1539710a00
hex24fb80aa

620462250 has 192 divisors, whose sum is σ = 1789426080. Its totient is φ = 154828800.

The previous prime is 620462197. The next prime is 620462261. The reversal of 620462250 is 52264026.

It can be written as a sum of positive squares in 16 ways, for example, as 75846681 + 544615569 = 8709^2 + 23337^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2414122 + ... + 2414378.

Almost surely, 2620462250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620462250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894713040).

620462250 is an abundant number, since it is smaller than the sum of its proper divisors (1168963830).

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

620462250 is a wasteful number, since it uses less digits than its factorization.

620462250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 620462250 is about 24909.0796698714. The cubic root of 620462250 is about 852.9137604440.

The spelling of 620462250 in words is "six hundred twenty million, four hundred sixty-two thousand, two hundred fifty".