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29256973 = 371017829
BaseRepresentation
bin110111110011…
…0110100001101
32001001102000121
41233212310031
524442210343
62523024541
7503452204
oct157466415
961042017
1029256973
1115573219
12996b151
1360a4a25
143c5823b
15287daed
hex1be6d0d

29256973 has 8 divisors (see below), whose sum is σ = 30349080. Its totient is φ = 28180800.

The previous prime is 29256971. The next prime is 29256991. The reversal of 29256973 is 37965292.

It can be written as a sum of positive squares in 4 ways, for example, as 12299049 + 16957924 = 3507^2 + 4118^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29256973 - 21 = 29256971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29256971) 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, 178 + ... + 7651.

It is an arithmetic number, because the mean of its divisors is an integer number (3793635).

Almost surely, 229256973 is an apocalyptic number.

It is an amenable number.

29256973 is a deficient number, since it is larger than the sum of its proper divisors (1092107).

29256973 is a wasteful number, since it uses less digits than its factorization.

29256973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967.

The product of its digits is 204120, while the sum is 43.

The square root of 29256973 is about 5408.9715288583. The cubic root of 29256973 is about 308.1364893740.

The spelling of 29256973 in words is "twenty-nine million, two hundred fifty-six thousand, nine hundred seventy-three".

Divisors: 1 37 101 3737 7829 289673 790729 29256973