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29013233 = 40970937
BaseRepresentation
bin110111010101…
…1010011110001
32000121000200012
41232223103301
524411410413
62513504305
7501415454
oct156532361
960530605
1029013233
1115417087
129872095
13601aac2
143bd349b
1528317a8
hex1bab4f1

29013233 has 4 divisors (see below), whose sum is σ = 29084580. Its totient is φ = 28941888.

The previous prime is 29013223. The next prime is 29013251. The reversal of 29013233 is 33231092.

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 17405584 + 11607649 = 4172^2 + 3407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29013233 is a prime.

It is a super-2 number, since 2×290132332 = 1683535378224578, 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 = 29013199 and 29013208.

It is not an unprimeable number, because it can be changed into a prime (29013223) 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, 35060 + ... + 35877.

It is an arithmetic number, because the mean of its divisors is an integer number (7271145).

Almost surely, 229013233 is an apocalyptic number.

It is an amenable number.

29013233 is a deficient number, since it is larger than the sum of its proper divisors (71347).

29013233 is an equidigital number, since it uses as much as digits as its factorization.

29013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71346.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 29013233 is about 5386.3933202097. The cubic root of 29013233 is about 307.2784064608.

The spelling of 29013233 in words is "twenty-nine million, thirteen thousand, two hundred thirty-three".

Divisors: 1 409 70937 29013233