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1306061022 = 23779393629
BaseRepresentation
bin100110111011000…
…1110100011011110
310101000120202220110
41031312032203132
510133322423042
6333333230450
744236223040
oct11566164336
93330522813
101306061022
11610267a82
12305492426
1317a77a996
14c565ba90
15799db09c
hex4dd8e8de

1306061022 has 32 divisors (see below), whose sum is σ = 3023078400. Its totient is φ = 368435808.

The previous prime is 1306061021. The next prime is 1306061041. The reversal of 1306061022 is 2201606031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1306061022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306061021) 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, 193497 + ... + 200132.

It is an arithmetic number, because the mean of its divisors is an integer number (94471200).

Almost surely, 21306061022 is an apocalyptic number.

1306061022 is an abundant number, since it is smaller than the sum of its proper divisors (1717017378).

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

1306061022 is a wasteful number, since it uses less digits than its factorization.

1306061022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393720.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1306061022 is about 36139.4662661196. The cubic root of 1306061022 is about 1093.0863965130.

Adding to 1306061022 its reverse (2201606031), we get a palindrome (3507667053).

The spelling of 1306061022 in words is "one billion, three hundred six million, sixty-one thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 42 79 158 237 474 553 1106 1659 3318 393629 787258 1180887 2361774 2755403 5510806 8266209 16532418 31096691 62193382 93290073 186580146 217676837 435353674 653030511 1306061022