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29002289 = 175332189
BaseRepresentation
bin110111010100…
…0101000110001
32000120110122212
41232220220301
524411033124
62513341505
7501341531
oct156505061
960513585
1029002289
1115409938
129867895
136015b24
143bcd4c1
15282d40e
hex1ba8a31

29002289 has 8 divisors (see below), whose sum is σ = 31288680. Its totient is φ = 26780416.

The previous prime is 29002283. The next prime is 29002301. The reversal of 29002289 is 98220092.

It can be written as a sum of positive squares in 4 ways, for example, as 8025889 + 20976400 = 2833^2 + 4580^2 .

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 29002289 - 24 = 29002273 is a prime.

It is a super-2 number, since 2×290022892 = 1682265534479042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29002283) 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, 15194 + ... + 16995.

It is an arithmetic number, because the mean of its divisors is an integer number (3911085).

Almost surely, 229002289 is an apocalyptic number.

It is an amenable number.

29002289 is a deficient number, since it is larger than the sum of its proper divisors (2286391).

29002289 is a wasteful number, since it uses less digits than its factorization.

29002289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32259.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 29002289 is about 5385.3773312554. The cubic root of 29002289 is about 307.2397657274.

The spelling of 29002289 in words is "twenty-nine million, two thousand, two hundred eighty-nine".

Divisors: 1 17 53 901 32189 547213 1706017 29002289