Search a number
-
+
622245424 = 24172287667
BaseRepresentation
bin100101000101101…
…011011000110000
31121100212100020211
4211011223120300
52233243323144
6141424513504
721263666413
oct4505533060
91540770224
10622245424
1129a272219
1215447b894
139bbb7078
145c8d7b7a
1539964034
hex2516b630

622245424 has 20 divisors (see below), whose sum is σ = 1276518744. Its totient is φ = 292821248.

The previous prime is 622245419. The next prime is 622245433. The reversal of 622245424 is 424542226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143562 + ... + 1144105.

Almost surely, 2622245424 is an apocalyptic number.

It is an amenable number.

622245424 is an abundant number, since it is smaller than the sum of its proper divisors (654273320).

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

622245424 is a wasteful number, since it uses less digits than its factorization.

622245424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287692 (or 2287686 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 622245424 is about 24944.8476443533. The cubic root of 622245424 is about 853.7300545193.

The spelling of 622245424 in words is "six hundred twenty-two million, two hundred forty-five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 2287667 4575334 9150668 18301336 36602672 38890339 77780678 155561356 311122712 622245424