Search a number
-
+
144890328 = 23311548827
BaseRepresentation
bin10001010001011…
…01100111011000
3101002122012011110
420220231213120
5244042442303
622213300320
73406355532
oct1050554730
9332565143
10144890328
1174872280
12406346a0
132403022b
1415358852
15cac0703
hex8a2d9d8

144890328 has 32 divisors (see below), whose sum is σ = 395156160. Its totient is φ = 43906080.

The previous prime is 144890299. The next prime is 144890329. The reversal of 144890328 is 823098441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144890329) by changing a digit.

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, 274150 + ... + 274677.

It is an arithmetic number, because the mean of its divisors is an integer number (12348630).

Almost surely, 2144890328 is an apocalyptic number.

It is an amenable number.

144890328 is an abundant number, since it is smaller than the sum of its proper divisors (250265832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144890328 is a wasteful number, since it uses less digits than its factorization.

144890328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548847 (or 548843 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 144890328 is about 12037.0398354413. The cubic root of 144890328 is about 525.2263006253.

The spelling of 144890328 in words is "one hundred forty-four million, eight hundred ninety thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 548827 1097654 1646481 2195308 3292962 4390616 6037097 6585924 12074194 13171848 18111291 24148388 36222582 48296776 72445164 144890328