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29010431 = 35980809
BaseRepresentation
bin110111010101…
…0100111111111
32000120212211102
41232222213333
524411313211
62513443315
7501404342
oct156524777
960525742
1029010431
1115414a6a
12987053b
136019748
143bd2459
152830a3b
hex1baa9ff

29010431 has 4 divisors (see below), whose sum is σ = 29091600. Its totient is φ = 28929264.

The previous prime is 29010427. The next prime is 29010433. The reversal of 29010431 is 13401092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29010431 - 22 = 29010427 is a prime.

It is a super-2 number, since 2×290104312 = 1683210213611522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29010433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40046 + ... + 40763.

It is an arithmetic number, because the mean of its divisors is an integer number (7272900).

Almost surely, 229010431 is an apocalyptic number.

29010431 is a deficient number, since it is larger than the sum of its proper divisors (81169).

29010431 is an equidigital number, since it uses as much as digits as its factorization.

29010431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81168.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 29010431 is about 5386.1332140971. The cubic root of 29010431 is about 307.2685141723.

The spelling of 29010431 in words is "twenty-nine million, ten thousand, four hundred thirty-one".

Divisors: 1 359 80809 29010431