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27438036 = 2234748649
BaseRepresentation
bin110100010101…
…0101111010100
31220121222220120
41220222233110
524011004121
62420031540
7452135163
oct150525724
956558816
1027438036
111454066a
1292325b0
1358b8b32
1439033da
15261ebc6
hex1a2abd4

27438036 has 24 divisors (see below), whose sum is σ = 65385600. Its totient is φ = 8951232.

The previous prime is 27438029. The next prime is 27438049. The reversal of 27438036 is 63083472.

It is a junction number, because it is equal to n+sod(n) for n = 27437988 and 27438006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23761 + ... + 24888.

It is an arithmetic number, because the mean of its divisors is an integer number (2724400).

Almost surely, 227438036 is an apocalyptic number.

It is an amenable number.

27438036 is an abundant number, since it is smaller than the sum of its proper divisors (37947564).

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

27438036 is a wasteful number, since it uses less digits than its factorization.

27438036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48703 (or 48701 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 27438036 is about 5238.1328734579. The cubic root of 27438036 is about 301.6136603278.

The spelling of 27438036 in words is "twenty-seven million, four hundred thirty-eight thousand, thirty-six".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 48649 97298 145947 194596 291894 583788 2286503 4573006 6859509 9146012 13719018 27438036