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345211263 = 3297395431
BaseRepresentation
bin10100100100111…
…000000101111111
3220001120112211100
4110210320011333
51201333230023
654131024143
711361150555
oct2444700577
9801515740
10345211263
11167954371
129773b053
135669a627
1433bc1bd5
152048ec43
hex1493817f

345211263 has 12 divisors (see below), whose sum is σ = 503780368. Its totient is φ = 227767680.

The previous prime is 345211241. The next prime is 345211283. The reversal of 345211263 is 362112543.

It is not a de Polignac number, because 345211263 - 26 = 345211199 is a prime.

It is a super-2 number, since 2×3452112632 = 238341632204110338, 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 (345211213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196843 + ... + 198588.

Almost surely, 2345211263 is an apocalyptic number.

345211263 is a deficient number, since it is larger than the sum of its proper divisors (158569105).

345211263 is a wasteful number, since it uses less digits than its factorization.

345211263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395534 (or 395531 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 345211263 is about 18579.8617594427. The cubic root of 345211263 is about 701.5010395013.

The spelling of 345211263 in words is "three hundred forty-five million, two hundred eleven thousand, two hundred sixty-three".

Divisors: 1 3 9 97 291 873 395431 1186293 3558879 38356807 115070421 345211263