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27869340 = 22354111329
BaseRepresentation
bin110101001010…
…0000010011100
31221102220112210
41222110002130
524113304330
62433200420
7455612502
oct152240234
957386483
1027869340
1114805714
129400110
135a0a245
1439b6672
1526a78b0
hex1a9409c

27869340 has 48 divisors (see below), whose sum is σ = 79944480. Its totient is φ = 7249920.

The previous prime is 27869339. The next prime is 27869351. The reversal of 27869340 is 4396872.

It is a super-2 number, since 2×278693402 = 1553400224071200, which contains 22 as substring.

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, 3205 + ... + 8124.

It is an arithmetic number, because the mean of its divisors is an integer number (1665510).

Almost surely, 227869340 is an apocalyptic number.

27869340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27869340 is an abundant number, since it is smaller than the sum of its proper divisors (52075140).

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

27869340 is a wasteful number, since it uses less digits than its factorization.

27869340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11382 (or 11380 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 27869340 is about 5279.1419757381. The cubic root of 27869340 is about 303.1858263877.

The spelling of 27869340 in words is "twenty-seven million, eight hundred sixty-nine thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 11329 22658 33987 45316 56645 67974 113290 135948 169935 226580 339870 464489 679740 928978 1393467 1857956 2322445 2786934 4644890 5573868 6967335 9289780 13934670 27869340