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1428319410 = 23576801521
BaseRepresentation
bin101010100100010…
…0110110010110010
310200112122010212220
41111020212302302
510411122210120
6353421501510
750252341350
oct12510466262
93615563786
101428319410
11673281571
1233a411896
13199bb581b
14d79a47d0
15855dab40
hex55226cb2

1428319410 has 32 divisors (see below), whose sum is σ = 3917676672. Its totient is φ = 326472960.

The previous prime is 1428319367. The next prime is 1428319411. The reversal of 1428319410 is 149138241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1428319411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3400551 + ... + 3400970.

It is an arithmetic number, because the mean of its divisors is an integer number (122427396).

Almost surely, 21428319410 is an apocalyptic number.

1428319410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428319410 is an abundant number, since it is smaller than the sum of its proper divisors (2489357262).

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

1428319410 is a wasteful number, since it uses less digits than its factorization.

1428319410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801538.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1428319410 is about 37793.1132615454. The cubic root of 1428319410 is about 1126.1816482929.

The spelling of 1428319410 in words is "one billion, four hundred twenty-eight million, three hundred nineteen thousand, four hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 6801521 13603042 20404563 34007605 40809126 47610647 68015210 95221294 102022815 142831941 204045630 238053235 285663882 476106470 714159705 1428319410