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427236380 = 225151193733
BaseRepresentation
bin11001011101110…
…001110000011100
31002202220212010122
4121131301300130
51333333031010
6110221054112
713405310054
oct3135616034
91082825118
10427236380
111aa18901a
12bb0b7338
136a6896bc
1440a54564
1527793855
hex19771c1c

427236380 has 48 divisors (see below), whose sum is σ = 909056064. Its totient is φ = 168652800.

The previous prime is 427236379. The next prime is 427236409. The reversal of 427236380 is 83632724.

It is a self number, because there is not a number n which added to its sum of digits gives 427236380.

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, 582494 + ... + 583226.

It is an arithmetic number, because the mean of its divisors is an integer number (18938668).

Almost surely, 2427236380 is an apocalyptic number.

It is an amenable number.

427236380 is an abundant number, since it is smaller than the sum of its proper divisors (481819684).

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

427236380 is a wasteful number, since it uses less digits than its factorization.

427236380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 427236380 is about 20669.6971434029. The cubic root of 427236380 is about 753.1637495601.

The spelling of 427236380 in words is "four hundred twenty-seven million, two hundred thirty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 151 193 302 386 604 733 755 772 965 1466 1510 1930 2932 3020 3665 3860 7330 14660 29143 58286 110683 116572 141469 145715 221366 282938 291430 442732 553415 565876 582860 707345 1106830 1414690 2213660 2829380 21361819 42723638 85447276 106809095 213618190 427236380