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30522022 = 215261011
BaseRepresentation
bin111010001101…
…1101010100110
32010102200100021
41310123222212
530303201042
63010105354
7520301326
oct164335246
963380307
1030522022
1116257713
12a27b25a
13642878b
1440a7286
152a2d867
hex1d1baa6

30522022 has 4 divisors (see below), whose sum is σ = 45783036. Its totient is φ = 15261010.

The previous prime is 30522013. The next prime is 30522029. The reversal of 30522022 is 22022503.

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

It is a junction number, because it is equal to n+sod(n) for n = 30521987 and 30522005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30522029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7630504 + ... + 7630507.

It is an arithmetic number, because the mean of its divisors is an integer number (11445759).

Almost surely, 230522022 is an apocalyptic number.

30522022 is a deficient number, since it is larger than the sum of its proper divisors (15261014).

30522022 is a wasteful number, since it uses less digits than its factorization.

30522022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15261013.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30522022 is about 5524.6739270295. The cubic root of 30522022 is about 312.5151676905.

Adding to 30522022 its reverse (22022503), we get a palindrome (52544525).

The spelling of 30522022 in words is "thirty million, five hundred twenty-two thousand, twenty-two".

Divisors: 1 2 15261011 30522022