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30889022 = 219812869
BaseRepresentation
bin111010111010…
…1010000111110
32011010022202212
41311311100332
530401422042
63022020422
7523360313
oct165652076
964108685
1030889022
111648841a
12a417712
136526838
144160d0a
152aa2482
hex1d7543e

30889022 has 8 divisors (see below), whose sum is σ = 48772200. Its totient is φ = 14631624.

The previous prime is 30888967. The next prime is 30889039. The reversal of 30889022 is 22098803.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30889022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406397 + ... + 406472.

It is an arithmetic number, because the mean of its divisors is an integer number (6096525).

Almost surely, 230889022 is an apocalyptic number.

30889022 is a deficient number, since it is larger than the sum of its proper divisors (17883178).

30889022 is a wasteful number, since it uses less digits than its factorization.

30889022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812890.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 30889022 is about 5557.7893087090. The cubic root of 30889022 is about 313.7627523480.

The spelling of 30889022 in words is "thirty million, eight hundred eighty-nine thousand, twenty-two".

Divisors: 1 2 19 38 812869 1625738 15444511 30889022