Search a number
-
+
1302401330 = 25532457361
BaseRepresentation
bin100110110100001…
…0001000100110010
310100202200211202022
41031220101010302
510131403320310
6333122551442
744163141266
oct11550210462
93322624668
101302401330
1160919843a
12304208582
13179a98c99
14c4d880a6
1579516a55
hex4da11132

1302401330 has 16 divisors (see below), whose sum is σ = 2388555864. Its totient is φ = 511130880.

The previous prime is 1302401299. The next prime is 1302401333. The reversal of 1302401330 is 331042031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1125803809 + 176597521 = 33553^2 + 13289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1302401299 and 1302401308.

It is not an unprimeable number, because it can be changed into a prime (1302401333) 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, 1228151 + ... + 1229210.

Almost surely, 21302401330 is an apocalyptic number.

1302401330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302401330 is a deficient number, since it is larger than the sum of its proper divisors (1086154534).

1302401330 is a wasteful number, since it uses less digits than its factorization.

1302401330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457421.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1302401330 is about 36088.7978464232. The cubic root of 1302401330 is about 1092.0644683010.

Adding to 1302401330 its reverse (331042031), we get a palindrome (1633443361).

The spelling of 1302401330 in words is "one billion, three hundred two million, four hundred one thousand, three hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 2457361 4914722 12286805 24573610 130240133 260480266 651200665 1302401330