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2912429 = 13224033
BaseRepresentation
bin1011000111000010101101
312110222002202
423013002231
51221144204
6142231245
733520022
oct13070255
95428082
102912429
11170a173
12b85525
137ac840
1455b549
153c7e1e
hex2c70ad

2912429 has 4 divisors (see below), whose sum is σ = 3136476. Its totient is φ = 2688384.

The previous prime is 2912411. The next prime is 2912431. The reversal of 2912429 is 9242192.

2912429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 592900 + 2319529 = 770^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 2912429 - 212 = 2908333 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 (2912479) 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, 112004 + ... + 112029.

It is an arithmetic number, because the mean of its divisors is an integer number (784119).

22912429 is an apocalyptic number.

It is an amenable number.

2912429 is a deficient number, since it is larger than the sum of its proper divisors (224047).

2912429 is a wasteful number, since it uses less digits than its factorization.

2912429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224046.

The product of its digits is 2592, while the sum is 29.

The square root of 2912429 is about 1706.5840149257. The cubic root of 2912429 is about 142.8077518304.

The spelling of 2912429 in words is "two million, nine hundred twelve thousand, four hundred twenty-nine".

Divisors: 1 13 224033 2912429