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44380454 = 222190227
BaseRepresentation
bin1010100101001…
…1000100100110
310002111202112112
42221103010212
542330133304
64223121022
71046141036
oct251230446
9102452475
1044380454
1123062768
1212a43172
13926b631
145c738c6
153d69b6e
hex2a53126

44380454 has 4 divisors (see below), whose sum is σ = 66570684. Its totient is φ = 22190226.

The previous prime is 44380439. The next prime is 44380459. The reversal of 44380454 is 45408344.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×443804542 = 3939249394492232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44380454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44380459) 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 as a sum of consecutive naturals, namely, 11095112 + ... + 11095115.

It is an arithmetic number, because the mean of its divisors is an integer number (16642671).

Almost surely, 244380454 is an apocalyptic number.

44380454 is a deficient number, since it is larger than the sum of its proper divisors (22190230).

44380454 is a wasteful number, since it uses less digits than its factorization.

44380454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22190229.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 44380454 is about 6661.8656546046. The cubic root of 44380454 is about 354.0494414224.

Adding to 44380454 its reverse (45408344), we get a palindrome (89788798).

The spelling of 44380454 in words is "forty-four million, three hundred eighty thousand, four hundred fifty-four".

Divisors: 1 2 22190227 44380454