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1423230 = 23547441
BaseRepresentation
bin101011011011101111110
32200022022020
411123131332
5331020410
650301010
715045234
oct5333576
92608266
101423230
11892326
12587766
133aaa63
14290954
151d1a70
hex15b77e

1423230 has 16 divisors (see below), whose sum is σ = 3415824. Its totient is φ = 379520.

The previous prime is 1423193. The next prime is 1423231. The reversal of 1423230 is 323241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23691 + ... + 23750.

It is an arithmetic number, because the mean of its divisors is an integer number (213489).

21423230 is an apocalyptic number.

1423230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423230 is an abundant number, since it is smaller than the sum of its proper divisors (1992594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423230 is a wasteful number, since it uses less digits than its factorization.

1423230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47451.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1423230 is about 1192.9920368552. The cubic root of 1423230 is about 112.4842447072.

Adding to 1423230 its reverse (323241), we get a palindrome (1746471).

It can be divided in two parts, 1423 and 230, that added together give a triangular number (1653 = T57).

The spelling of 1423230 in words is "one million, four hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47441 94882 142323 237205 284646 474410 711615 1423230