Search a number
-
+
323144330 = 25173136073
BaseRepresentation
bin10011010000101…
…100101010001010
3211112001102200112
4103100230222022
51130211104310
652022034322
711002452515
oct2320545212
9745042615
10323144330
11156452133
12902789a2
1351c42482
1430cb9d7c
151d581705
hex1342ca8a

323144330 has 32 divisors (see below), whose sum is σ = 617944464. Its totient is φ = 121245696.

The previous prime is 323144323. The next prime is 323144363. The reversal of 323144330 is 33441323.

It can be written as a sum of positive squares in 8 ways, for example, as 149352841 + 173791489 = 12221^2 + 13183^2 .

It is a super-2 number, since 2×3231443302 = 208844516022297800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323144296 and 323144305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50174 + ... + 56246.

Almost surely, 2323144330 is an apocalyptic number.

323144330 is a deficient number, since it is larger than the sum of its proper divisors (294800134).

323144330 is a wasteful number, since it uses less digits than its factorization.

323144330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 323144330 is about 17976.2156751637. The cubic root of 323144330 is about 686.2233843137.

Adding to 323144330 its reverse (33441323), we get a palindrome (356585653).

The spelling of 323144330 in words is "three hundred twenty-three million, one hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 313 626 1565 3130 5321 6073 10642 12146 26605 30365 53210 60730 103241 206482 516205 1032410 1900849 3801698 9504245 19008490 32314433 64628866 161572165 323144330