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1304052212 = 22387784089
BaseRepresentation
bin100110110111010…
…0100000111110100
310100212210201100002
41031232210013310
510132314132322
6333222210432
744213155331
oct11556440764
93325721302
101304052212
1160a115801
12304883a18
1317a226538
14c5297988
1579740c92
hex4dba41f4

1304052212 has 12 divisors (see below), whose sum is σ = 2282707140. Its totient is φ = 651850176.

The previous prime is 1304052187. The next prime is 1304052257. The reversal of 1304052212 is 2122504031.

It can be written as a sum of positive squares in 2 ways, for example, as 575808016 + 728244196 = 23996^2 + 26986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26537 + ... + 57552.

It is an arithmetic number, because the mean of its divisors is an integer number (190225595).

Almost surely, 21304052212 is an apocalyptic number.

It is an amenable number.

1304052212 is a deficient number, since it is larger than the sum of its proper divisors (978654928).

1304052212 is a wasteful number, since it uses less digits than its factorization.

1304052212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87970 (or 87968 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1304052212 is about 36111.6631021059. The cubic root of 1304052212 is about 1092.5256953987.

Adding to 1304052212 its reverse (2122504031), we get a palindrome (3426556243).

The spelling of 1304052212 in words is "one billion, three hundred four million, fifty-two thousand, two hundred twelve".

Divisors: 1 2 4 3877 7754 15508 84089 168178 336356 326013053 652026106 1304052212