Search a number
-
+
1302222330 = 232514469137
BaseRepresentation
bin100110110011110…
…0101010111111010
310100202100202012200
41031213211113322
510131332103310
6333115051030
744161464363
oct11547452772
93322322180
101302222330
11609085a02
12304140a76
13179a35676
14c4d3cb6a
15794cd9c0
hex4d9e55fa

1302222330 has 24 divisors (see below), whose sum is σ = 3385778292. Its totient is φ = 347259264.

The previous prime is 1302222319. The next prime is 1302222347. The reversal of 1302222330 is 332222031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1151448489 + 150773841 = 33933^2 + 12279^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7234479 + ... + 7234658.

Almost surely, 21302222330 is an apocalyptic number.

1302222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302222330 is an abundant number, since it is smaller than the sum of its proper divisors (2083555962).

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

1302222330 is a wasteful number, since it uses less digits than its factorization.

1302222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14469150 (or 14469147 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1302222330 is about 36086.3177672646. The cubic root of 1302222330 is about 1092.0144354651.

Adding to 1302222330 its reverse (332222031), we get a palindrome (1634444361).

The spelling of 1302222330 in words is "one billion, three hundred two million, two hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 14469137 28938274 43407411 72345685 86814822 130222233 144691370 217037055 260444466 434074110 651111165 1302222330