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144441804 = 223134012309
BaseRepresentation
bin10001001110000…
…00000111001100
3101001210101220110
420213000013030
5243434114204
622155520020
73402510063
oct1047000714
9331711813
10144441804
11745962a1
1240459010
1323c04030
141527d1da
15ca32889
hex89c01cc

144441804 has 48 divisors (see below), whose sum is σ = 364019040. Its totient is φ = 44313600.

The previous prime is 144441769. The next prime is 144441823. The reversal of 144441804 is 408144441.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61402 + ... + 63710.

It is an arithmetic number, because the mean of its divisors is an integer number (7583730).

Almost surely, 2144441804 is an apocalyptic number.

It is an amenable number.

144441804 is an abundant number, since it is smaller than the sum of its proper divisors (219577236).

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

144441804 is a wasteful number, since it uses less digits than its factorization.

144441804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 144441804 is about 12018.3944019158. The cubic root of 144441804 is about 524.6837750984.

The spelling of 144441804 in words is "one hundred forty-four million, four hundred forty-one thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 401 802 1203 1604 2309 2406 4618 4812 5213 6927 9236 10426 13854 15639 20852 27708 30017 31278 60034 62556 90051 120068 180102 360204 925909 1851818 2777727 3703636 5555454 11110908 12036817 24073634 36110451 48147268 72220902 144441804