Search a number
-
+
1282714225 = 52132192292
BaseRepresentation
bin100110001110100…
…1010101001110001
310022101122122010021
41030131022221301
510111333323400
6331141003441
743533614422
oct11435125161
93271578107
101282714225
115a9071201
122b96b3581
13175995100
14c2501649
157792871a
hex4c74aa71

1282714225 has 81 divisors (see below), whose sum is σ = 1882590723. Its totient is φ = 866436480.

The previous prime is 1282714217. The next prime is 1282714259. The reversal of 1282714225 is 5224172821.

The square root of 1282714225 is 35815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 1186595809 + 96118416 = 34447^2 + 9804^2 .

It is not a de Polignac number, because 1282714225 - 23 = 1282714217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 44231511 + ... + 44231539.

Almost surely, 21282714225 is an apocalyptic number.

1282714225 is the 35815-th square number.

1282714225 is the 17908-th centered octagonal number.

It is an amenable number.

1282714225 is a deficient number, since it is larger than the sum of its proper divisors (599876498).

1282714225 is a wasteful number, since it uses less digits than its factorization.

1282714225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 66 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The cubic root of 1282714225 is about 1086.5339569179.

It can be divided in two parts, 128271 and 4225, that added together give a square (132496 = 3642).

The spelling of 1282714225 in words is "one billion, two hundred eighty-two million, seven hundred fourteen thousand, two hundred twenty-five".

Divisors: 1 5 13 19 25 29 65 95 145 169 247 325 361 377 475 551 725 841 845 1235 1805 1885 2755 3211 4205 4225 4693 4901 6175 7163 9025 9425 10469 10933 13775 15979 16055 21025 23465 24505 35815 52345 54665 61009 79895 80275 93119 117325 122525 136097 142129 179075 207727 261725 273325 303601 305045 399475 465595 680485 710645 1038635 1518005 1525225 1769261 2327975 2700451 3402425 3553225 3946813 5193175 7590025 8846305 13502255 19734065 44231525 51308569 67511275 98670325 256542845 1282714225