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29112201 = 3229711571
BaseRepresentation
bin110111100001…
…1011110001001
32000210001102200
41233003132021
524423042301
62515550413
7502310136
oct157033611
960701380
1029112201
1115484478
1298bb409
136053b71
143c1b58d
152850c86
hex1bc3789

29112201 has 24 divisors (see below), whose sum is σ = 44141760. Its totient is φ = 18463200.

The previous prime is 29112197. The next prime is 29112203. The reversal of 29112201 is 10221192.

It is not a de Polignac number, because 29112201 - 22 = 29112197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29112203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17746 + ... + 19316.

It is an arithmetic number, because the mean of its divisors is an integer number (1839240).

Almost surely, 229112201 is an apocalyptic number.

It is an amenable number.

29112201 is a deficient number, since it is larger than the sum of its proper divisors (15029559).

29112201 is a wasteful number, since it uses less digits than its factorization.

29112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 29112201 is about 5395.5723514749. The cubic root of 29112201 is about 307.6273991240.

Adding to 29112201 its reverse (10221192), we get a palindrome (39333393).

The spelling of 29112201 in words is "twenty-nine million, one hundred twelve thousand, two hundred one".

Divisors: 1 3 9 29 71 87 213 261 639 1571 2059 4713 6177 14139 18531 45559 111541 136677 334623 410031 1003869 3234689 9704067 29112201