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29380045 = 529202621
BaseRepresentation
bin111000000010…
…0110111001101
32001021122211211
41300010313031
530010130140
62525414421
7504504052
oct160046715
961248754
1029380045
1115647732
129a0a411
136118a56
143c8b029
1528a52ea
hex1c04dcd

29380045 has 8 divisors (see below), whose sum is σ = 36471960. Its totient is φ = 22693440.

The previous prime is 29380019. The next prime is 29380049. The reversal of 29380045 is 54008392.

It can be written as a sum of positive squares in 4 ways, for example, as 12257001 + 17123044 = 3501^2 + 4138^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29380045 - 215 = 29347277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29379989 and 29380016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29380049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101166 + ... + 101455.

It is an arithmetic number, because the mean of its divisors is an integer number (4558995).

Almost surely, 229380045 is an apocalyptic number.

It is an amenable number.

29380045 is a deficient number, since it is larger than the sum of its proper divisors (7091915).

29380045 is a wasteful number, since it uses less digits than its factorization.

29380045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202655.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 29380045 is about 5420.3362441826. The cubic root of 29380045 is about 308.5679525847.

The spelling of 29380045 in words is "twenty-nine million, three hundred eighty thousand, forty-five".

Divisors: 1 5 29 145 202621 1013105 5876009 29380045