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306802052 = 22445717209
BaseRepresentation
bin10010010010010…
…110110110000100
3210101022011021222
4102102112312010
51112020131202
650235455512
710413526424
oct2222266604
9711264258
10306802052
111481aaa17
12868b7598
134b73cb9b
142ca64484
151be044a2
hex12496d84

306802052 has 12 divisors (see below), whose sum is σ = 537055260. Its totient is φ = 153357696.

The previous prime is 306802031. The next prime is 306802103. The reversal of 306802052 is 250208603.

It can be written as a sum of positive squares in 2 ways, for example, as 178115716 + 128686336 = 13346^2 + 11344^2 .

It is a super-2 number, since 2×3068020522 = 188254998222821408, which contains 22 as substring.

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, 9224 + ... + 26432.

It is an arithmetic number, because the mean of its divisors is an integer number (44754605).

Almost surely, 2306802052 is an apocalyptic number.

It is an amenable number.

306802052 is a deficient number, since it is larger than the sum of its proper divisors (230253208).

306802052 is a wasteful number, since it uses less digits than its factorization.

306802052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21670 (or 21668 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 306802052 is about 17515.7658125473. The cubic root of 306802052 is about 674.4546501429.

The spelling of 306802052 in words is "three hundred six million, eight hundred two thousand, fifty-two".

Divisors: 1 2 4 4457 8914 17209 17828 34418 68836 76700513 153401026 306802052