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444495388 = 22111123847
BaseRepresentation
bin11010011111100…
…111011000011100
31010222101201001011
4122133213120130
51402242323023
6112035025004
714005101631
oct3237473034
91128351034
10444495388
112089a6a67
12104a3b164
137112032c
1443068188
152905250d
hex1a7e761c

444495388 has 6 divisors (see below), whose sum is σ = 777866936. Its totient is φ = 222247692.

The previous prime is 444495371. The next prime is 444495397. The reversal of 444495388 is 883594444.

It is a super-2 number, since 2×4444953882 = 395152299906541088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561920 + ... + 55561927.

Almost surely, 2444495388 is an apocalyptic number.

It is an amenable number.

444495388 is a deficient number, since it is larger than the sum of its proper divisors (333371548).

444495388 is a wasteful number, since it uses less digits than its factorization.

444495388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111123851 (or 111123849 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 49.

The square root of 444495388 is about 21083.0592656758. The cubic root of 444495388 is about 763.1719851617.

The spelling of 444495388 in words is "four hundred forty-four million, four hundred ninety-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 111123847 222247694 444495388