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244412028 = 22327969889
BaseRepresentation
bin11101001000101…
…10111001111100
3122000220102021100
432210112321330
51000032141103
640130333100
76025316340
oct1644267174
9560812240
10244412028
11115a67413
1269a2a190
133b837103
1424663620
15166cd5a3
hexe916e7c

244412028 has 36 divisors (see below), whose sum is σ = 706079920. Its totient is φ = 69831936.

The previous prime is 244412027. The next prime is 244412057. The reversal of 244412028 is 820214442.

244412028 is a `hidden beast` number, since 244 + 412 + 0 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 244411992 and 244412010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244412027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484693 + ... + 485196.

Almost surely, 2244412028 is an apocalyptic number.

244412028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

244412028 is an abundant number, since it is smaller than the sum of its proper divisors (461667892).

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

244412028 is a wasteful number, since it uses less digits than its factorization.

244412028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969906 (or 969901 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 244412028 is about 15633.6824836633. The cubic root of 244412028 is about 625.2315114600.

The spelling of 244412028 in words is "two hundred forty-four million, four hundred twelve thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 969889 1939778 2909667 3879556 5819334 6789223 8729001 11638668 13578446 17458002 20367669 27156892 34916004 40735338 61103007 81470676 122206014 244412028