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27529429 = 672511637
BaseRepresentation
bin110100100000…
…1000011010101
31220210122021111
41221001003111
524021420204
62422015021
7452665504
oct151010325
956718244
1027529429
11145a32a4
129277471
13591b605
14392883b
15263bd04
hex1a410d5

27529429 has 8 divisors (see below), whose sum is σ = 28068768. Its totient is φ = 26994000.

The previous prime is 27529393. The next prime is 27529433. The reversal of 27529429 is 92492572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27529429 - 27 = 27529301 is a prime.

It is a super-2 number, since 2×275294292 = 1515738922132082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27529391 and 27529400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27529129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15999 + ... + 17635.

It is an arithmetic number, because the mean of its divisors is an integer number (3508596).

Almost surely, 227529429 is an apocalyptic number.

It is an amenable number.

27529429 is a deficient number, since it is larger than the sum of its proper divisors (539339).

27529429 is a wasteful number, since it uses less digits than its factorization.

27529429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955.

The product of its digits is 90720, while the sum is 40.

The square root of 27529429 is about 5246.8494356137. The cubic root of 27529429 is about 301.9481695476.

The spelling of 27529429 in words is "twenty-seven million, five hundred twenty-nine thousand, four hundred twenty-nine".

Divisors: 1 67 251 1637 16817 109679 410887 27529429