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27430122 = 2323198769
BaseRepresentation
bin110100010100…
…0110011101010
31220121121001110
41220220303222
524010230442
62415531150
7452103126
oct150506352
956547043
1027430122
1114535725
129229ab6
1358b5355
143900586
15261c69c
hex1a28cea

27430122 has 16 divisors (see below), whose sum is σ = 57245760. Its totient is φ = 8745792.

The previous prime is 27430079. The next prime is 27430127. The reversal of 27430122 is 22103472.

It is not an unprimeable number, because it can be changed into a prime (27430127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99247 + ... + 99522.

It is an arithmetic number, because the mean of its divisors is an integer number (3577860).

Almost surely, 227430122 is an apocalyptic number.

27430122 is an abundant number, since it is smaller than the sum of its proper divisors (29815638).

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

27430122 is a wasteful number, since it uses less digits than its factorization.

27430122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198797.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 27430122 is about 5237.3773971330. The cubic root of 27430122 is about 301.5846592234.

Adding to 27430122 its reverse (22103472), we get a palindrome (49533594).

The spelling of 27430122 in words is "twenty-seven million, four hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 198769 397538 596307 1192614 4571687 9143374 13715061 27430122