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1330423025 = 52361714713
BaseRepresentation
bin100111101001100…
…1010010011110001
310102201102111021212
41033103022103301
510211042014100
6340003325505
744653260221
oct11723122361
93381374255
101330423025
11622a97568
12311680895
1318282a679
14c89a0081
157bbee635
hex4f4ca4f1

1330423025 has 12 divisors (see below), whose sum is σ = 1650292812. Its totient is φ = 1063971840.

The previous prime is 1330422983. The next prime is 1330423027. The reversal of 1330423025 is 5203240331.

It can be written as a sum of positive squares in 6 ways, for example, as 177209344 + 1153213681 = 13312^2 + 33959^2 .

It is not a de Polignac number, because 1330423025 - 216 = 1330357489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330423027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83069 + ... + 97781.

It is an arithmetic number, because the mean of its divisors is an integer number (137524401).

Almost surely, 21330423025 is an apocalyptic number.

It is an amenable number.

1330423025 is a deficient number, since it is larger than the sum of its proper divisors (319869787).

1330423025 is a wasteful number, since it uses less digits than its factorization.

1330423025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18340 (or 18335 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1330423025 is about 36474.9643591327. The cubic root of 1330423025 is about 1099.8410307463.

Adding to 1330423025 its reverse (5203240331), we get a palindrome (6533663356).

The spelling of 1330423025 in words is "one billion, three hundred thirty million, four hundred twenty-three thousand, twenty-five".

Divisors: 1 5 25 3617 14713 18085 73565 90425 367825 53216921 266084605 1330423025