Search a number
-
+
342860 = 22573179
BaseRepresentation
bin1010011101101001100
3122102022112
41103231030
541432420
611203152
72625410
oct1235514
9572275
10342860
11214661
121464b8
13c009b
148cd40
156b8c5
hex53b4c

342860 has 48 divisors (see below), whose sum is σ = 860160. Its totient is φ = 112320.

The previous prime is 342847. The next prime is 342863. The reversal of 342860 is 68243.

It is a happy number.

342860 is nontrivially palindromic in base 9.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (342863) by changing a digit.

342860 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, 4301 + ... + 4379.

It is an arithmetic number, because the mean of its divisors is an integer number (17920).

2342860 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 342860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430080).

342860 is an abundant number, since it is smaller than the sum of its proper divisors (517300).

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

342860 is a wasteful number, since it uses less digits than its factorization.

342860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 342860 is about 585.5424835142. The cubic root of 342860 is about 69.9904748944.

The spelling of 342860 in words is "three hundred forty-two thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 79 124 140 155 158 217 310 316 395 434 553 620 790 868 1085 1106 1580 2170 2212 2449 2765 4340 4898 5530 9796 11060 12245 17143 24490 34286 48980 68572 85715 171430 342860