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2858429 = 7408347
BaseRepresentation
bin1010111001110110111101
312101020000202
422321312331
51212432204
6141133245
733203420
oct12716675
95336022
102858429
111682642
12b5a225
137910a2
145459b7
153b6e1e
hex2b9dbd

2858429 has 4 divisors (see below), whose sum is σ = 3266784. Its totient is φ = 2450076.

The previous prime is 2858423. The next prime is 2858441. The reversal of 2858429 is 9248582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2858429 - 28 = 2858173 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2858392 and 2858401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858423) 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, 204167 + ... + 204180.

It is an arithmetic number, because the mean of its divisors is an integer number (816696).

22858429 is an apocalyptic number.

It is an amenable number.

2858429 is a deficient number, since it is larger than the sum of its proper divisors (408355).

2858429 is an equidigital number, since it uses as much as digits as its factorization.

2858429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408354.

The product of its digits is 46080, while the sum is 38.

The square root of 2858429 is about 1690.6889128400. The cubic root of 2858429 is about 141.9196298491.

The spelling of 2858429 in words is "two million, eight hundred fifty-eight thousand, four hundred twenty-nine".

Divisors: 1 7 408347 2858429