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427123284 = 223710349367
BaseRepresentation
bin11001011101010…
…110001001010100
31002202201002222220
4121131112021110
51333320421114
6110214422340
713404326250
oct3135261124
91082632886
10427123284
111aa111055
12bb0619b0
136a64a093
1440a25260
15277700a9
hex19756254

427123284 has 48 divisors (see below), whose sum is σ = 1150076928. Its totient is φ = 120847968.

The previous prime is 427123259. The next prime is 427123297. The reversal of 427123284 is 482321724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16032 + ... + 33335.

It is an arithmetic number, because the mean of its divisors is an integer number (23959936).

Almost surely, 2427123284 is an apocalyptic number.

It is an amenable number.

427123284 is an abundant number, since it is smaller than the sum of its proper divisors (722953644).

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

427123284 is a wasteful number, since it uses less digits than its factorization.

427123284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49484 (or 49482 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 427123284 is about 20666.9611699447. The cubic root of 427123284 is about 753.0972857096.

The spelling of 427123284 in words is "four hundred twenty-seven million, one hundred twenty-three thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 103 206 309 412 618 721 1236 1442 2163 2884 4326 8652 49367 98734 148101 197468 296202 345569 592404 691138 1036707 1382276 2073414 4146828 5084801 10169602 15254403 20339204 30508806 35593607 61017612 71187214 106780821 142374428 213561642 427123284