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27001401 = 372183683
BaseRepresentation
bin110011100000…
…0001000111001
31212210210221220
41213000020321
523403021101
62402422253
7445336200
oct147001071
955723856
1027001401
1114272609
129061989
13579517b
14382c237
152585636
hex19c0239

27001401 has 12 divisors (see below), whose sum is σ = 41879952. Its totient is φ = 15429288.

The previous prime is 27001393. The next prime is 27001417. The reversal of 27001401 is 10410072.

It is not a de Polignac number, because 27001401 - 23 = 27001393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27001301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91695 + ... + 91988.

It is an arithmetic number, because the mean of its divisors is an integer number (3489996).

Almost surely, 227001401 is an apocalyptic number.

27001401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27001401 is a deficient number, since it is larger than the sum of its proper divisors (14878551).

27001401 is a wasteful number, since it uses less digits than its factorization.

27001401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183700 (or 183693 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 27001401 is about 5196.2872322457. The cubic root of 27001401 is about 300.0051887991.

Adding to 27001401 its reverse (10410072), we get a palindrome (37411473).

The spelling of 27001401 in words is "twenty-seven million, one thousand, four hundred one".

Divisors: 1 3 7 21 49 147 183683 551049 1285781 3857343 9000467 27001401