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345137308 = 22233547677
BaseRepresentation
bin10100100100100…
…110000010011100
3220001102210101021
4110210212002130
51201323343213
654125253524
711360422135
oct2444460234
9801383337
10345137308
1116790384a
12977042a4
1356672a79
1433ba2c8c
1520477d8d
hex1492609c

345137308 has 24 divisors (see below), whose sum is σ = 608589072. Its totient is φ = 171260544.

The previous prime is 345137293. The next prime is 345137311. The reversal of 345137308 is 803731543.

It is a super-3 number, since 3×3451373083 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509466 + ... + 510142.

It is an arithmetic number, because the mean of its divisors is an integer number (25357878).

Almost surely, 2345137308 is an apocalyptic number.

It is an amenable number.

345137308 is a deficient number, since it is larger than the sum of its proper divisors (263451764).

345137308 is a wasteful number, since it uses less digits than its factorization.

345137308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 345137308 is about 18577.8714604230. The cubic root of 345137308 is about 701.4509414694.

The spelling of 345137308 in words is "three hundred forty-five million, one hundred thirty-seven thousand, three hundred eight".

Divisors: 1 2 4 233 466 547 677 932 1094 1354 2188 2708 127451 157741 254902 315482 370319 509804 630964 740638 1481276 86284327 172568654 345137308