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29125069 = 173168353
BaseRepresentation
bin110111100011…
…0100111001101
32000210201002021
41233012213031
524424000234
62520130141
7502362511
oct157064715
960721067
1029125069
1115493106
129906951
13605998c
143c22141
1528549b4
hex1bc69cd

29125069 has 4 divisors (see below), whose sum is σ = 29293596. Its totient is φ = 28956544.

The previous prime is 29125049. The next prime is 29125093. The reversal of 29125069 is 96052192.

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 26904969 + 2220100 = 5187^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 29125069 - 223 = 20736461 is a prime.

It is a super-2 number, since 2×291250692 = 1696539288509522, 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 (29125049) 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, 84004 + ... + 84349.

It is an arithmetic number, because the mean of its divisors is an integer number (7323399).

Almost surely, 229125069 is an apocalyptic number.

It is an amenable number.

29125069 is a deficient number, since it is larger than the sum of its proper divisors (168527).

29125069 is a wasteful number, since it uses less digits than its factorization.

29125069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168526.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 29125069 is about 5396.7646789535. The cubic root of 29125069 is about 307.6727176518.

The spelling of 29125069 in words is "twenty-nine million, one hundred twenty-five thousand, sixty-nine".

Divisors: 1 173 168353 29125069