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29912201 = 112719291
BaseRepresentation
bin111001000011…
…0110010001001
32002021200211022
41302012302021
530124142301
62545042225
7512151404
oct162066211
962250738
1029912201
1115980530
12a026375
136274037
143d88d3b
15295cd1b
hex1c86c89

29912201 has 4 divisors (see below), whose sum is σ = 32631504. Its totient is φ = 27192900.

The previous prime is 29912189. The next prime is 29912203. The reversal of 29912201 is 10221992.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29912201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29912203) 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 3 ways as a sum of consecutive naturals, for example, 1359635 + ... + 1359656.

It is an arithmetic number, because the mean of its divisors is an integer number (8157876).

Almost surely, 229912201 is an apocalyptic number.

It is an amenable number.

29912201 is a deficient number, since it is larger than the sum of its proper divisors (2719303).

29912201 is a wasteful number, since it uses less digits than its factorization.

29912201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719302.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 29912201 is about 5469.2047868040. The cubic root of 29912201 is about 310.4198300615.

The spelling of 29912201 in words is "twenty-nine million, nine hundred twelve thousand, two hundred one".

Divisors: 1 11 2719291 29912201