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1420213312 = 2673170119
BaseRepresentation
bin101010010100110…
…1011110001000000
310122222101022102001
41110221223301000
510402033311222
6352532033344
750123420410
oct12451536100
93588338361
101420213312
11669745311
12337762854
1319830800b
14d6894640
1584a38e27
hex54a6bc40

1420213312 has 28 divisors (see below), whose sum is σ = 3220841920. Its totient is φ = 608662656.

The previous prime is 1420213283. The next prime is 1420213343. The reversal of 1420213312 is 2133120241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1420213312.

It is an unprimeable number.

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, 1584612 + ... + 1585507.

Almost surely, 21420213312 is an apocalyptic number.

It is an amenable number.

1420213312 is an abundant number, since it is smaller than the sum of its proper divisors (1800628608).

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

1420213312 is an equidigital number, since it uses as much as digits as its factorization.

1420213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170138 (or 3170128 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1420213312 is about 37685.7176129101. The cubic root of 1420213312 is about 1124.0471436599.

Adding to 1420213312 its reverse (2133120241), we get a palindrome (3553333553).

The spelling of 1420213312 in words is "one billion, four hundred twenty million, two hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 3170119 6340238 12680476 22190833 25360952 44381666 50721904 88763332 101443808 177526664 202887616 355053328 710106656 1420213312