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1421230 = 25142123
BaseRepresentation
bin101011010111110101110
32200012120011
411122332232
5330434410
650243434
715036346
oct5327656
92605504
101421230
11890878
1258657a
133a9b85
1428dd26
151d118a
hex15afae

1421230 has 8 divisors (see below), whose sum is σ = 2558232. Its totient is φ = 568488.

The previous prime is 1421227. The next prime is 1421243. The reversal of 1421230 is 321241.

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 1421230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71052 + ... + 71071.

It is an arithmetic number, because the mean of its divisors is an integer number (319779).

21421230 is an apocalyptic number.

1421230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421230 is a deficient number, since it is larger than the sum of its proper divisors (1137002).

1421230 is a wasteful number, since it uses less digits than its factorization.

1421230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142130.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1421230 is about 1192.1535136047. The cubic root of 1421230 is about 112.4315303530.

Adding to 1421230 its reverse (321241), we get a palindrome (1742471).

The spelling of 1421230 in words is "one million, four hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 142123 284246 710615 1421230