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1420513432 = 231313658783
BaseRepresentation
bin101010010101011…
…0101000010011000
310122222221120002121
41110222311002120
510402122412212
6352542311024
750126110402
oct12452650230
93588846077
101420513432
1166992a848
12337888474
131983b17c0
14d6931b72
1584a97d07
hex54ab5098

1420513432 has 16 divisors (see below), whose sum is σ = 2868344640. Its totient is φ = 655621536.

The previous prime is 1420513427. The next prime is 1420513433. The reversal of 1420513432 is 2343150241.

It is a junction number, because it is equal to n+sod(n) for n = 1420513397 and 1420513406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420513433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6829288 + ... + 6829495.

It is an arithmetic number, because the mean of its divisors is an integer number (179271540).

Almost surely, 21420513432 is an apocalyptic number.

It is an amenable number.

1420513432 is an abundant number, since it is smaller than the sum of its proper divisors (1447831208).

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

1420513432 is a wasteful number, since it uses less digits than its factorization.

1420513432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13658802 (or 13658798 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1420513432 is about 37689.6992824299. The cubic root of 1420513432 is about 1124.1263161020.

Adding to 1420513432 its reverse (2343150241), we get a palindrome (3763663673).

The spelling of 1420513432 in words is "one billion, four hundred twenty million, five hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 13658783 27317566 54635132 109270264 177564179 355128358 710256716 1420513432