Search a number
-
+
44401380 = 2235740023
BaseRepresentation
bin1010100101100…
…0001011100100
310002112211020120
42221120023210
542331321010
64223401540
71046256042
oct251301344
9102484216
1044401380
1123077461
1212a532b0
13927800a
145c7b392
153d70e70
hex2a582e4

44401380 has 24 divisors (see below), whose sum is σ = 124324032. Its totient is φ = 11840352.

The previous prime is 44401367. The next prime is 44401381. The reversal of 44401380 is 8310444.

It is a self number, because there is not a number n which added to its sum of digits gives 44401380.

It is not an unprimeable number, because it can be changed into a prime (44401381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369952 + ... + 370071.

It is an arithmetic number, because the mean of its divisors is an integer number (5180168).

Almost surely, 244401380 is an apocalyptic number.

It is an amenable number.

44401380 is an abundant number, since it is smaller than the sum of its proper divisors (79922652).

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

44401380 is a wasteful number, since it uses less digits than its factorization.

44401380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740035 (or 740033 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 44401380 is about 6663.4360505673. The cubic root of 44401380 is about 354.1050790871.

The spelling of 44401380 in words is "forty-four million, four hundred one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 740023 1480046 2220069 2960092 3700115 4440138 7400230 8880276 11100345 14800460 22200690 44401380