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1252430 = 25125243
BaseRepresentation
bin100110001110001001110
32100122000022
410301301032
5310034210
642502142
713434254
oct4616116
92318008
101252430
11785a73
12504952
1334b0aa
142485d4
1519b155
hex131c4e

1252430 has 8 divisors (see below), whose sum is σ = 2254392. Its totient is φ = 500968.

The previous prime is 1252429. The next prime is 1252439. The reversal of 1252430 is 342521.

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

It is a junction number, because it is equal to n+sod(n) for n = 1252399 and 1252408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252439) 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, 62612 + ... + 62631.

It is an arithmetic number, because the mean of its divisors is an integer number (281799).

21252430 is an apocalyptic number.

1252430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252430 is a deficient number, since it is larger than the sum of its proper divisors (1001962).

1252430 is a wasteful number, since it uses less digits than its factorization.

1252430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125250.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1252430 is about 1119.1201901494. The cubic root of 1252430 is about 107.7914930016.

Adding to 1252430 its reverse (342521), we get a palindrome (1594951).

Subtracting from 1252430 its reverse (342521), we obtain a palindrome (909909).

The spelling of 1252430 in words is "one million, two hundred fifty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 125243 250486 626215 1252430