Search a number
-
+
165132470 = 2543384029
BaseRepresentation
bin10011101011110…
…11100010110110
3102111201121011102
421311323202312
5314233214340
624215210102
74043413526
oct1165734266
9374647142
10165132470
1185238518
1247376932
1328299929
1417d07686
15e76d215
hex9d7b8b6

165132470 has 16 divisors (see below), whose sum is σ = 304151760. Its totient is φ = 64516704.

The previous prime is 165132463. The next prime is 165132503. The reversal of 165132470 is 74231561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191585 + ... + 192444.

It is an arithmetic number, because the mean of its divisors is an integer number (19009485).

Almost surely, 2165132470 is an apocalyptic number.

165132470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165132470 is a deficient number, since it is larger than the sum of its proper divisors (139019290).

165132470 is a wasteful number, since it uses less digits than its factorization.

165132470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384079.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 165132470 is about 12850.3879318875. The cubic root of 165132470 is about 548.6273982671.

Subtracting from 165132470 its reverse (74231561), we obtain a palindrome (90900909).

The spelling of 165132470 in words is "one hundred sixty-five million, one hundred thirty-two thousand, four hundred seventy".

Divisors: 1 2 5 10 43 86 215 430 384029 768058 1920145 3840290 16513247 33026494 82566235 165132470