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2878234 = 21975743
BaseRepresentation
bin1010111110101100011010
312102020012021
422332230122
51214100414
6141405054
733315232
oct12765432
95366167
102878234
111696507
12b6978a
1379a0c8
1454ccc2
153bcc24
hex2beb1a

2878234 has 8 divisors (see below), whose sum is σ = 4544640. Its totient is φ = 1363356.

The previous prime is 2878231. The next prime is 2878247. The reversal of 2878234 is 4328782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2878234.

It is not an unprimeable number, because it can be changed into a prime (2878231) 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, 37834 + ... + 37909.

It is an arithmetic number, because the mean of its divisors is an integer number (568080).

22878234 is an apocalyptic number.

2878234 is a deficient number, since it is larger than the sum of its proper divisors (1666406).

2878234 is a wasteful number, since it uses less digits than its factorization.

2878234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75764.

The product of its digits is 21504, while the sum is 34.

The square root of 2878234 is about 1696.5358823202. The cubic root of 2878234 is about 142.2466453373.

The spelling of 2878234 in words is "two million, eight hundred seventy-eight thousand, two hundred thirty-four".

Divisors: 1 2 19 38 75743 151486 1439117 2878234