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29912149 is a prime number
BaseRepresentation
bin111001000011…
…0110001010101
32002021200202101
41302012301111
530124142044
62545042101
7512151301
oct162066125
962250671
1029912149
1115980493
12a026331
136273cc7
143d88d01
15295ccd4
hex1c86c55

29912149 has 2 divisors, whose sum is σ = 29912150. Its totient is φ = 29912148.

The previous prime is 29912123. The next prime is 29912177. The reversal of 29912149 is 94121992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 10771524 = 4375^2 + 3282^2 .

It is a cyclic number.

It is not a de Polignac number, because 29912149 - 219 = 29387861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29912119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14956074 + 14956075.

It is an arithmetic number, because the mean of its divisors is an integer number (14956075).

Almost surely, 229912149 is an apocalyptic number.

It is an amenable number.

29912149 is a deficient number, since it is larger than the sum of its proper divisors (1).

29912149 is an equidigital number, since it uses as much as digits as its factorization.

29912149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 37.

The square root of 29912149 is about 5469.2000329116. The cubic root of 29912149 is about 310.4196501813.

The spelling of 29912149 in words is "twenty-nine million, nine hundred twelve thousand, one hundred forty-nine".