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29002001 = 729142867
BaseRepresentation
bin110111010100…
…0100100010001
32000120110021012
41232220210101
524411031001
62513340305
7501340640
oct156504421
960513235
1029002001
11154096a6
129867695
136015962
143bcd357
15282d2bb
hex1ba8911

29002001 has 8 divisors (see below), whose sum is σ = 34288320. Its totient is φ = 24001488.

The previous prime is 29001997. The next prime is 29002021. The reversal of 29002001 is 10020092.

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

It is not a de Polignac number, because 29002001 - 22 = 29001997 is a prime.

It is a super-2 number, since 2×290020012 = 1682232124008002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71231 + ... + 71636.

It is an arithmetic number, because the mean of its divisors is an integer number (4286040).

Almost surely, 229002001 is an apocalyptic number.

It is an amenable number.

29002001 is a deficient number, since it is larger than the sum of its proper divisors (5286319).

29002001 is a wasteful number, since it uses less digits than its factorization.

29002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142903.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 29002001 is about 5385.3505921156. The cubic root of 29002001 is about 307.2387487348.

Adding to 29002001 its reverse (10020092), we get a palindrome (39022093).

The spelling of 29002001 in words is "twenty-nine million, two thousand, one".

Divisors: 1 7 29 203 142867 1000069 4143143 29002001