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27349930 = 2519143947
BaseRepresentation
bin110100001010…
…1001110101010
31220110112001101
41220111032222
524000144210
62414112014
7451320256
oct150251652
956415041
1027349930
1114490453
1291ab60a
1358879ba
1438bd266
152603a3a
hex1a153aa

27349930 has 16 divisors (see below), whose sum is σ = 51821280. Its totient is φ = 10364112.

The previous prime is 27349913. The next prime is 27349943. The reversal of 27349930 is 3994372.

It is a self number, because there is not a number n which added to its sum of digits gives 27349930.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71784 + ... + 72163.

It is an arithmetic number, because the mean of its divisors is an integer number (3238830).

Almost surely, 227349930 is an apocalyptic number.

27349930 is a deficient number, since it is larger than the sum of its proper divisors (24471350).

27349930 is a wasteful number, since it uses less digits than its factorization.

27349930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143973.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 27349930 is about 5229.7160534775. The cubic root of 27349930 is about 301.2904779662.

It can be divided in two parts, 273499 and 30, that added together give a square (273529 = 5232).

The spelling of 27349930 in words is "twenty-seven million, three hundred forty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 143947 287894 719735 1439470 2734993 5469986 13674965 27349930