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1284052002 = 231072000081
BaseRepresentation
bin100110010001001…
…0001010000100010
310022111011121012120
41030202101100202
510112204131002
6331225405110
743551155562
oct11442212042
93274147176
101284052002
115a98a5302
122ba039796
13176042cac
14c276cda2
1577adecbc
hex4c891422

1284052002 has 16 divisors (see below), whose sum is σ = 2592106272. Its totient is φ = 424016960.

The previous prime is 1284051983. The next prime is 1284052031. The reversal of 1284052002 is 2002504821.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999399 + ... + 1000682.

It is an arithmetic number, because the mean of its divisors is an integer number (162006642).

Almost surely, 21284052002 is an apocalyptic number.

1284052002 is an abundant number, since it is smaller than the sum of its proper divisors (1308054270).

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

1284052002 is a wasteful number, since it uses less digits than its factorization.

1284052002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000193.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1284052002 is about 35833.6713441422. The cubic root of 1284052002 is about 1086.9115507965.

Adding to 1284052002 its reverse (2002504821), we get a palindrome (3286556823).

The spelling of 1284052002 in words is "one billion, two hundred eighty-four million, fifty-two thousand, two".

Divisors: 1 2 3 6 107 214 321 642 2000081 4000162 6000243 12000486 214008667 428017334 642026001 1284052002