Search a number
-
+
165230444 = 2259700129
BaseRepresentation
bin10011101100100…
…11011101101100
3102111220120120002
421312103131230
5314244333234
624221243432
74044302261
oct1166233554
9374816502
10165230444
11852a5095
1247403578
13283023c2
1417d31268
15e78c27e
hex9d9376c

165230444 has 12 divisors (see below), whose sum is σ = 294054600. Its totient is φ = 81214848.

The previous prime is 165230423. The next prime is 165230449. The reversal of 165230444 is 444032561.

165230444 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

165230444 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (165230449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349829 + ... + 350300.

It is an arithmetic number, because the mean of its divisors is an integer number (24504550).

Almost surely, 2165230444 is an apocalyptic number.

It is an amenable number.

165230444 is a deficient number, since it is larger than the sum of its proper divisors (128824156).

165230444 is a wasteful number, since it uses less digits than its factorization.

165230444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700192 (or 700190 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 165230444 is about 12854.1994694341. The cubic root of 165230444 is about 548.7358780307.

The spelling of 165230444 in words is "one hundred sixty-five million, two hundred thirty thousand, four hundred forty-four".

Divisors: 1 2 4 59 118 236 700129 1400258 2800516 41307611 82615222 165230444