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1428437392 = 243713917359
BaseRepresentation
bin101010100100100…
…0011100110010000
310200112212010201121
41111021003212100
510411134444032
6353424212024
750253342334
oct12511034620
93615763647
101428437392
11673352178
1233a46a014
13199c27435
14d79d57c4
1585610a97
hex55243990

1428437392 has 40 divisors (see below), whose sum is σ = 2863011200. Its totient is φ = 689876352.

The previous prime is 1428437389. The next prime is 1428437399. The reversal of 1428437392 is 2937348241.

It is not an unprimeable number, because it can be changed into a prime (1428437399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73609 + ... + 90967.

It is an arithmetic number, because the mean of its divisors is an integer number (71575280).

Almost surely, 21428437392 is an apocalyptic number.

It is an amenable number.

1428437392 is an abundant number, since it is smaller than the sum of its proper divisors (1434573808).

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

1428437392 is a wasteful number, since it uses less digits than its factorization.

1428437392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17543 (or 17537 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 1428437392 is about 37794.6741221564. The cubic root of 1428437392 is about 1126.2126557142.

The spelling of 1428437392 in words is "one billion, four hundred twenty-eight million, four hundred thirty-seven thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 37 74 139 148 278 296 556 592 1112 2224 5143 10286 17359 20572 34718 41144 69436 82288 138872 277744 642283 1284566 2412901 2569132 4825802 5138264 9651604 10276528 19303208 38606416 89277337 178554674 357109348 714218696 1428437392