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29148223 = 131926211
BaseRepresentation
bin110111100110…
…0010000111111
32000211212211211
41233030100333
524430220343
62520425251
7502520146
oct157142077
960755754
1029148223
11154a9545
129918227
136067390
143c2a75d
15285b79d
hex1bcc43f

29148223 has 12 divisors (see below), whose sum is σ = 33134808. Its totient is φ = 25485840.

The previous prime is 29148221. The next prime is 29148233. The reversal of 29148223 is 32284192.

It is not a de Polignac number, because 29148223 - 21 = 29148221 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 (29148221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1588 + ... + 7798.

It is an arithmetic number, because the mean of its divisors is an integer number (2761234).

Almost surely, 229148223 is an apocalyptic number.

29148223 is a deficient number, since it is larger than the sum of its proper divisors (3986585).

29148223 is a wasteful number, since it uses less digits than its factorization.

29148223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262 (or 6243 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 29148223 is about 5398.9094269121. The cubic root of 29148223 is about 307.7542278124.

The spelling of 29148223 in words is "twenty-nine million, one hundred forty-eight thousand, two hundred twenty-three".

Divisors: 1 13 19 247 361 4693 6211 80743 118009 1534117 2242171 29148223