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345168 = 24331747
BaseRepresentation
bin1010100010001010000
3122112111000
41110101100
542021133
611222000
72635215
oct1242120
9575430
10345168
1121636a
12147900
13c1155
148db0c
156c413
hex54450

345168 has 80 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 105984.

The previous prime is 345143. The next prime is 345181. The reversal of 345168 is 861543.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

345168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7321 + ... + 7367.

It is an arithmetic number, because the mean of its divisors is an integer number (13392).

2345168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535680).

345168 is an abundant number, since it is smaller than the sum of its proper divisors (726192).

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

345168 is a wasteful number, since it uses less digits than its factorization.

345168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 69 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 345168 is about 587.5099999149. The cubic root of 345168 is about 70.1471733479.

The spelling of 345168 in words is "three hundred forty-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 47 48 51 54 68 72 94 102 108 136 141 144 153 188 204 216 272 282 306 376 408 423 432 459 564 612 752 799 816 846 918 1128 1224 1269 1598 1692 1836 2256 2397 2448 2538 3196 3384 3672 4794 5076 6392 6768 7191 7344 9588 10152 12784 14382 19176 20304 21573 28764 38352 43146 57528 86292 115056 172584 345168