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2864429 = 3777417
BaseRepresentation
bin1010111011010100101101
312101112020222
422323110231
51213130204
6141221125
733230051
oct12732455
95345228
102864429
1116870a7
12b617a5
13793a39
14547c61
153b8abe
hex2bb52d

2864429 has 4 divisors (see below), whose sum is σ = 2941884. Its totient is φ = 2786976.

The previous prime is 2864423. The next prime is 2864441. The reversal of 2864429 is 9244682.

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 2036329 + 828100 = 1427^2 + 910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2864429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38672 + ... + 38745.

It is an arithmetic number, because the mean of its divisors is an integer number (735471).

22864429 is an apocalyptic number.

It is an amenable number.

2864429 is a deficient number, since it is larger than the sum of its proper divisors (77455).

2864429 is an equidigital number, since it uses as much as digits as its factorization.

2864429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77454.

The product of its digits is 27648, while the sum is 35.

The square root of 2864429 is about 1692.4624072635. The cubic root of 2864429 is about 142.0188594934.

The spelling of 2864429 in words is "two million, eight hundred sixty-four thousand, four hundred twenty-nine".

Divisors: 1 37 77417 2864429