Search a number
-
+
622771968 = 28372131967
BaseRepresentation
bin100101000111101…
…011111100000000
31121101212002112110
4211013223330000
52233412200333
6141444055320
721301321500
oct4507537400
91541762473
10622771968
1129a5a1885
12154694540
139c03c930
145c9d3a00
1539a1a063
hex251ebf00

622771968 has 432 divisors, whose sum is σ = 2218312320. Its totient is φ = 153280512.

The previous prime is 622771907. The next prime is 622772011. The reversal of 622771968 is 869177226.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9295071 + ... + 9295137.

Almost surely, 2622771968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622771968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109156160).

622771968 is an abundant number, since it is smaller than the sum of its proper divisors (1595540352).

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

622771968 is a wasteful number, since it uses less digits than its factorization.

622771968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 111 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 622771968 is about 24955.3995760437. The cubic root of 622771968 is about 853.9707953822.

The spelling of 622771968 in words is "six hundred twenty-two million, seven hundred seventy-one thousand, nine hundred sixty-eight".