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427847244 = 2231119315503
BaseRepresentation
bin11001100000000…
…110111001001100
31002211001220002020
4121200012321030
51334012102434
6110242130140
713413433026
oct3140067114
91084056066
10427847244
111aa565a70
12bb350950
136a841766
1440b73016
1527864849
hex19806e4c

427847244 has 96 divisors (see below), whose sum is σ = 1183580160. Its totient is φ = 118843200.

The previous prime is 427847239. The next prime is 427847261. The reversal of 427847244 is 442748724.

It is a junction number, because it is equal to n+sod(n) for n = 427847196 and 427847205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74997 + ... + 80499.

It is an arithmetic number, because the mean of its divisors is an integer number (12328960).

Almost surely, 2427847244 is an apocalyptic number.

427847244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427847244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591790080).

427847244 is an abundant number, since it is smaller than the sum of its proper divisors (755732916).

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

427847244 is a wasteful number, since it uses less digits than its factorization.

427847244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571 (or 5569 counting only the distinct ones).

The product of its digits is 401408, while the sum is 42.

The square root of 427847244 is about 20684.4686661272. The cubic root of 427847244 is about 753.5225372955.

The spelling of 427847244 in words is "four hundred twenty-seven million, eight hundred forty-seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 19 22 31 33 38 44 57 62 66 76 93 114 124 132 186 209 228 341 372 418 589 627 682 836 1023 1178 1254 1364 1767 2046 2356 2508 3534 4092 5503 6479 7068 11006 12958 16509 19437 22012 25916 33018 38874 60533 66036 77748 104557 121066 170593 181599 209114 242132 313671 341186 363198 418228 511779 627342 682372 726396 1023558 1150127 1254684 1876523 2047116 2300254 3241267 3450381 3753046 4600508 5629569 6482534 6900762 7506092 9723801 11259138 12965068 13801524 19447602 22518276 35653937 38895204 71307874 106961811 142615748 213923622 427847244