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44490425 = 5273159139
BaseRepresentation
bin1010100110110…
…1111010111001
310002201100101112
42221231322321
542342143200
64225330105
71050106460
oct251557271
9102640345
1044490425
1123128351
1212a96935
1392a96c5
145ca19d7
153d8c535
hex2a6deb9

44490425 has 48 divisors (see below), whose sum is σ = 66662400. Its totient is φ = 28814400.

The previous prime is 44490401. The next prime is 44490427. The reversal of 44490425 is 52409444.

It is not a de Polignac number, because 44490425 - 212 = 44486329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44490391 and 44490400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44490427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 320006 + ... + 320144.

It is an arithmetic number, because the mean of its divisors is an integer number (1388800).

Almost surely, 244490425 is an apocalyptic number.

It is an amenable number.

44490425 is a deficient number, since it is larger than the sum of its proper divisors (22171975).

44490425 is a wasteful number, since it uses less digits than its factorization.

44490425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 44490425 is about 6670.1143168614. The cubic root of 44490425 is about 354.3416350382.

Adding to 44490425 its reverse (52409444), we get a palindrome (96899869).

The spelling of 44490425 in words is "forty-four million, four hundred ninety thousand, four hundred twenty-five".

Divisors: 1 5 7 25 31 35 59 139 155 175 217 295 413 695 775 973 1085 1475 1829 2065 3475 4309 4865 5425 8201 9145 10325 12803 21545 24325 30163 41005 45725 57407 64015 107725 150815 205025 254231 287035 320075 754075 1271155 1435175 1779617 6355775 8898085 44490425