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2123254 = 27433527
BaseRepresentation
bin1000000110010111110110
310222212120001
420012113312
51020421004
6113301514
724022150
oct10062766
93885501
102123254
111220261
1286489a
13594583
143d3ad0
152be1a4
hex2065f6

2123254 has 16 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 888552.

The previous prime is 2123243. The next prime is 2123257. The reversal of 2123254 is 4523212.

2123254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123257) 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 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

22123254 is an apocalyptic number.

2123254 is a deficient number, since it is larger than the sum of its proper divisors (1602314).

2123254 is a wasteful number, since it uses less digits than its factorization.

2123254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579.

The product of its digits is 480, while the sum is 19.

The square root of 2123254 is about 1457.1389775859. The cubic root of 2123254 is about 128.5288584521.

Adding to 2123254 its reverse (4523212), we get a palindrome (6646466).

It can be divided in two parts, 2 and 123254, that added together give a triangular number (123256 = T496).

The spelling of 2123254 in words is "two million, one hundred twenty-three thousand, two hundred fifty-four".

Divisors: 1 2 7 14 43 86 301 602 3527 7054 24689 49378 151661 303322 1061627 2123254