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345207318 = 2397758889
BaseRepresentation
bin10100100100110…
…111001000010110
3220001120100102020
4110210313020112
51201333113233
654130554010
711361133221
oct2444671026
9801510366
10345207318
11167951405
1297738906
13566988b1
1433bc05b8
152048d9b3
hex14937216

345207318 has 16 divisors (see below), whose sum is σ = 691133040. Its totient is φ = 114949376.

The previous prime is 345207277. The next prime is 345207323. The reversal of 345207318 is 813702543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23583 + ... + 35306.

It is an arithmetic number, because the mean of its divisors is an integer number (43195815).

Almost surely, 2345207318 is an apocalyptic number.

345207318 is an abundant number, since it is smaller than the sum of its proper divisors (345925722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345207318 is a wasteful number, since it uses less digits than its factorization.

345207318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59871.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 345207318 is about 18579.7555958091. The cubic root of 345207318 is about 701.4983672901.

The spelling of 345207318 in words is "three hundred forty-five million, two hundred seven thousand, three hundred eighteen".

Divisors: 1 2 3 6 977 1954 2931 5862 58889 117778 176667 353334 57534553 115069106 172603659 345207318