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622430542 = 21144327197
BaseRepresentation
bin100101000110011…
…000100101001110
31121101012202012001
4211012120211032
52233320234132
6141432502514
721265400206
oct4506304516
91541182161
10622430542
1129a389308
1215454aa3a
139bc503c6
145c945406
153999dce7
hex2519894e

622430542 has 8 divisors (see below), whose sum is σ = 933761736. Its totient is φ = 311176632.

The previous prime is 622430533. The next prime is 622430551. The reversal of 622430542 is 245034226.

It is an interprime number because it is at equal distance from previous prime (622430533) and next prime (622430551).

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

It is a super-2 number, since 2×6224305422 = 774839559228827528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 622430542.

It is a congruent number.

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, 9288 + ... + 36484.

It is an arithmetic number, because the mean of its divisors is an integer number (116720217).

Almost surely, 2622430542 is an apocalyptic number.

622430542 is a deficient number, since it is larger than the sum of its proper divisors (311331194).

622430542 is a wasteful number, since it uses less digits than its factorization.

622430542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38642.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 622430542 is about 24948.5579142362. The cubic root of 622430542 is about 853.8147076825.

Adding to 622430542 its reverse (245034226), we get a palindrome (867464768).

The spelling of 622430542 in words is "six hundred twenty-two million, four hundred thirty thousand, five hundred forty-two".

Divisors: 1 2 11443 22886 27197 54394 311215271 622430542