Search a number
-
+
152243330 = 25172930881
BaseRepresentation
bin10010001001100…
…00110010000010
3101121110202120212
421010300302002
5302433241310
623035034122
73526022051
oct1104606202
9347422525
10152243330
1178a34738
1242b9b942
1325706015
1416310398
15d574205
hex9130c82

152243330 has 32 divisors (see below), whose sum is σ = 300173040. Its totient is φ = 55336960.

The previous prime is 152243327. The next prime is 152243339. The reversal of 152243330 is 33342251.

It can be written as a sum of positive squares in 8 ways, for example, as 129709321 + 22534009 = 11389^2 + 4747^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152243296 and 152243305.

It is not an unprimeable number, because it can be changed into a prime (152243339) 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, 10511 + ... + 20370.

Almost surely, 2152243330 is an apocalyptic number.

152243330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152243330 is a deficient number, since it is larger than the sum of its proper divisors (147929710).

152243330 is a wasteful number, since it uses less digits than its factorization.

152243330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30934.

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

The square root of 152243330 is about 12338.6923942531. The cubic root of 152243330 is about 533.9649595696.

Adding to 152243330 its reverse (33342251), we get a palindrome (185585581).

The spelling of 152243330 in words is "one hundred fifty-two million, two hundred forty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 17 29 34 58 85 145 170 290 493 986 2465 4930 30881 61762 154405 308810 524977 895549 1049954 1791098 2624885 4477745 5249770 8955490 15224333 30448666 76121665 152243330