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150044420 = 22541182981
BaseRepresentation
bin10001111000101…
…11111100000100
3101110100001020202
420330113330010
5301402410140
622515550032
73501233201
oct1074277404
9343301222
10150044420
1177772659
12422bb318
13251161a6
1415cdaca8
15d28c915
hex8f17f04

150044420 has 24 divisors (see below), whose sum is σ = 322780248. Its totient is φ = 58553600.

The previous prime is 150044407. The next prime is 150044441. The reversal of 150044420 is 24440051.

150044420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8386816 + 141657604 = 2896^2 + 11902^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 150044392 and 150044401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90671 + ... + 92310.

It is an arithmetic number, because the mean of its divisors is an integer number (13449177).

Almost surely, 2150044420 is an apocalyptic number.

150044420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150044420 is an abundant number, since it is smaller than the sum of its proper divisors (172735828).

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

150044420 is a wasteful number, since it uses less digits than its factorization.

150044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183031 (or 183029 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 150044420 is about 12249.2620185871. The cubic root of 150044420 is about 531.3817275190.

Adding to 150044420 its reverse (24440051), we get a palindrome (174484471).

The spelling of 150044420 in words is "one hundred fifty million, forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 182981 365962 731924 914905 1829810 3659620 7502221 15004442 30008884 37511105 75022210 150044420