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27223430 = 25131971063
BaseRepresentation
bin110011111011…
…0010110000110
31220020002112012
41213312112012
523432122210
62411254222
7450252413
oct147662606
956202465
1027223430
1114404403
12914a372
135842250
14388910a
1525cb305
hex19f6586

27223430 has 32 divisors (see below), whose sum is σ = 53089344. Its totient is φ = 9991296.

The previous prime is 27223423. The next prime is 27223451. The reversal of 27223430 is 3432272.

It is a super-2 number, since 2×272234302 = 1482230281929800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27223396 and 27223405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25079 + ... + 26141.

It is an arithmetic number, because the mean of its divisors is an integer number (1659042).

Almost surely, 227223430 is an apocalyptic number.

27223430 is a deficient number, since it is larger than the sum of its proper divisors (25865914).

27223430 is a wasteful number, since it uses less digits than its factorization.

27223430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 27223430 is about 5217.6076893534. The cubic root of 27223430 is about 300.8252463319.

The spelling of 27223430 in words is "twenty-seven million, two hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 197 394 985 1063 1970 2126 2561 5122 5315 10630 12805 13819 25610 27638 69095 138190 209411 418822 1047055 2094110 2722343 5444686 13611715 27223430