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13032029 = 37352217
BaseRepresentation
bin110001101101…
…101001011101
3220112002120202
4301231221131
511314011104
61143153245
7215525153
oct61555135
926462522
1013032029
1173a117a
124445825
13291397a
141a333d3
15122651e
hexc6da5d

13032029 has 4 divisors (see below), whose sum is σ = 13384284. Its totient is φ = 12679776.

The previous prime is 13032023. The next prime is 13032031. The reversal of 13032029 is 92023031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9012004 + 4020025 = 3002^2 + 2005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13032029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13032029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032023) 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, 176072 + ... + 176145.

It is an arithmetic number, because the mean of its divisors is an integer number (3346071).

Almost surely, 213032029 is an apocalyptic number.

It is an amenable number.

13032029 is a deficient number, since it is larger than the sum of its proper divisors (352255).

13032029 is an equidigital number, since it uses as much as digits as its factorization.

13032029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352254.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13032029 is about 3609.9901661916. The cubic root of 13032029 is about 235.3264152687.

The spelling of 13032029 in words is "thirteen million, thirty-two thousand, twenty-nine".

Divisors: 1 37 352217 13032029