Search a number
-
+
15150230 = 251789119
BaseRepresentation
bin111001110010…
…110010010110
31001111201012122
4321302302112
512334301410
61300415542
7242526524
oct71626226
931451178
1015150230
118608657
1250a75b2
1331a5b44
142025314
1514e3e55
hexe72c96

15150230 has 16 divisors (see below), whose sum is σ = 28874880. Its totient is φ = 5703552.

The previous prime is 15150229. The next prime is 15150251. The reversal of 15150230 is 3205151.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 15150199 and 15150208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44390 + ... + 44729.

It is an arithmetic number, because the mean of its divisors is an integer number (1804680).

Almost surely, 215150230 is an apocalyptic number.

15150230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15150230 is a deficient number, since it is larger than the sum of its proper divisors (13724650).

15150230 is a wasteful number, since it uses less digits than its factorization.

15150230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89143.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 15150230 is about 3892.3296366058. The cubic root of 15150230 is about 247.4418051797.

Adding to 15150230 its reverse (3205151), we get a palindrome (18355381).

The spelling of 15150230 in words is "fifteen million, one hundred fifty thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 89119 178238 445595 891190 1515023 3030046 7575115 15150230