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30042022 = 215021011
BaseRepresentation
bin111001010011…
…0011110100110
32002112021220111
41302212132212
530142321042
62551523234
7513232033
oct162463646
962467814
1030042022
1115a5a01a
12a08951a
1362bb15a
143dc038a
152986517
hex1ca67a6

30042022 has 4 divisors (see below), whose sum is σ = 45063036. Its totient is φ = 15021010.

The previous prime is 30042013. The next prime is 30042031. The reversal of 30042022 is 22024003.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30042013) and next prime (30042031).

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 30041993 and 30042011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7510504 + ... + 7510507.

It is an arithmetic number, because the mean of its divisors is an integer number (11265759).

Almost surely, 230042022 is an apocalyptic number.

30042022 is a deficient number, since it is larger than the sum of its proper divisors (15021014).

30042022 is a wasteful number, since it uses less digits than its factorization.

30042022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021013.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 30042022 is about 5481.0602988838. The cubic root of 30042022 is about 310.8682630467.

Adding to 30042022 its reverse (22024003), we get a palindrome (52066025).

The spelling of 30042022 in words is "thirty million, forty-two thousand, twenty-two".

Divisors: 1 2 15021011 30042022