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44442040 = 2351676653
BaseRepresentation
bin1010100110001…
…0000110111000
310002121220000111
42221202012320
542334121130
64224314104
71046515426
oct251420670
9102556014
1044442040
11230a4a65
1212a72934
139290686
145c8c116
153d7d02a
hex2a621b8

44442040 has 32 divisors (see below), whose sum is σ = 100608480. Its totient is φ = 17667712.

The previous prime is 44442031. The next prime is 44442043. The reversal of 44442040 is 4024444.

It is a super-3 number, since 3×444420403 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442043) 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, 3354 + ... + 10006.

It is an arithmetic number, because the mean of its divisors is an integer number (3144015).

Almost surely, 244442040 is an apocalyptic number.

44442040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44442040 is an abundant number, since it is smaller than the sum of its proper divisors (56166440).

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

44442040 is a wasteful number, since it uses less digits than its factorization.

44442040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831 (or 6827 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 44442040 is about 6666.4863308943. The cubic root of 44442040 is about 354.2131351869.

Adding to 44442040 its reverse (4024444), we get a palindrome (48466484).

The spelling of 44442040 in words is "forty-four million, four hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 167 334 668 835 1336 1670 3340 6653 6680 13306 26612 33265 53224 66530 133060 266120 1111051 2222102 4444204 5555255 8888408 11110510 22221020 44442040