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1330452 = 223397127
BaseRepresentation
bin101000100110100010100
32111121001000
411010310110
5320033302
644303300
714210604
oct5046424
92447030
101330452
11829652
12541b30
13377766
14268c04
151b431c
hex144d14

1330452 has 48 divisors (see below), whose sum is σ = 3512320. Its totient is φ = 435456.

The previous prime is 1330423. The next prime is 1330453. The reversal of 1330452 is 2540331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10413 + ... + 10539.

21330452 is an apocalyptic number.

1330452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756160).

1330452 is an abundant number, since it is smaller than the sum of its proper divisors (2181868).

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

1330452 is a wasteful number, since it uses less digits than its factorization.

1330452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1330452 is about 1153.4522096732. The cubic root of 1330452 is about 109.9849015090.

Adding to 1330452 its reverse (2540331), we get a palindrome (3870783).

The spelling of 1330452 in words is "one million, three hundred thirty thousand, four hundred fifty-two".