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29149172 = 2213560561
BaseRepresentation
bin110111100110…
…0011111110100
32000211221010222
41233030133310
524430233142
62520433512
7502523003
oct157143764
960757128
1029149172
11154aa228
129918898
136067940
143c2ac3a
15285bbd2
hex1bcc7f4

29149172 has 12 divisors (see below), whose sum is σ = 54935076. Its totient is φ = 13453440.

The previous prime is 29149171. The next prime is 29149177. The reversal of 29149172 is 27194192.

It can be written as a sum of positive squares in 2 ways, for example, as 6832996 + 22316176 = 2614^2 + 4724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29149171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280229 + ... + 280332.

It is an arithmetic number, because the mean of its divisors is an integer number (4577923).

Almost surely, 229149172 is an apocalyptic number.

It is an amenable number.

29149172 is a deficient number, since it is larger than the sum of its proper divisors (25785904).

29149172 is a wasteful number, since it uses less digits than its factorization.

29149172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560578 (or 560576 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 29149172 is about 5398.9973143168. The cubic root of 29149172 is about 307.7575677026.

The spelling of 29149172 in words is "twenty-nine million, one hundred forty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 13 26 52 560561 1121122 2242244 7287293 14574586 29149172