Search a number
-
+
340737293 = 1322016197
BaseRepresentation
bin10100010011110…
…011110100001101
3212202011020200202
4110103303310031
51144212043133
653451103245
711305135121
oct2423636415
9782136622
10340737293
11165378a76
1296141b25
1355792100
1433379581
151eda92e8
hex144f3d0d

340737293 has 6 divisors (see below), whose sum is σ = 368964234. Its totient is φ = 314526576.

The previous prime is 340737283. The next prime is 340737323. The reversal of 340737293 is 392737043.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14645929 + 326091364 = 3827^2 + 18058^2 .

It is not a de Polignac number, because 340737293 - 228 = 72301837 is a prime.

It is a super-2 number, since 2×3407372932 = 232203805681935698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340737253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1007930 + ... + 1008267.

It is an arithmetic number, because the mean of its divisors is an integer number (61494039).

Almost surely, 2340737293 is an apocalyptic number.

It is an amenable number.

340737293 is a deficient number, since it is larger than the sum of its proper divisors (28226941).

340737293 is a wasteful number, since it uses less digits than its factorization.

340737293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016223 (or 2016210 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 340737293 is about 18459.0707512594. The cubic root of 340737293 is about 698.4573463487.

The spelling of 340737293 in words is "three hundred forty million, seven hundred thirty-seven thousand, two hundred ninety-three".

Divisors: 1 13 169 2016197 26210561 340737293