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29807045 = 55961409
BaseRepresentation
bin111000110110…
…1000111000101
32002002100120122
41301231013011
530112311140
62542511325
7511233002
oct161550705
962070518
1029807045
1115909524
129b95545
136238208
143d5c8a9
15293bab5
hex1c6d1c5

29807045 has 4 divisors (see below), whose sum is σ = 35768460. Its totient is φ = 23845632.

The previous prime is 29807023. The next prime is 29807047. The reversal of 29807045 is 54070892.

It is a happy number.

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 15864289 + 13942756 = 3983^2 + 3734^2 .

It is a cyclic number.

It is not a de Polignac number, because 29807045 - 218 = 29544901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29806996 and 29807014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29807047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2980700 + ... + 2980709.

It is an arithmetic number, because the mean of its divisors is an integer number (8942115).

Almost surely, 229807045 is an apocalyptic number.

It is an amenable number.

29807045 is a deficient number, since it is larger than the sum of its proper divisors (5961415).

29807045 is an equidigital number, since it uses as much as digits as its factorization.

29807045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961414.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 29807045 is about 5459.5828595232. The cubic root of 29807045 is about 310.0556438444.

The spelling of 29807045 in words is "twenty-nine million, eight hundred seven thousand, forty-five".

Divisors: 1 5 5961409 29807045