Search a number
-
+
608840 = 23531491
BaseRepresentation
bin10010100101001001000
31010221011122
42110221020
5123440330
621014412
75114021
oct2245110
91127148
10608840
11386481
12254408
1318417b
1411bc48
15c05e5
hex94a48

608840 has 32 divisors (see below), whose sum is σ = 1416960. Its totient is φ = 235200.

The previous prime is 608831. The next prime is 608843. The reversal of 608840 is 48806.

It is a super-2 number, since 2×6088402 = 741372291200, which contains 22 as substring.

It is a cake number, because a cake can be divided into 608840 parts by 154 planar cuts.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 608840.

It is not an unprimeable number, because it can be changed into a prime (608843) by changing a digit.

608840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995 + ... + 1485.

It is an arithmetic number, because the mean of its divisors is an integer number (44280).

2608840 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 608840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708480).

608840 is an abundant number, since it is smaller than the sum of its proper divisors (808120).

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

608840 is a wasteful number, since it uses less digits than its factorization.

608840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 608840 is about 780.2820003050. The cubic root of 608840 is about 84.7554678964.

The spelling of 608840 in words is "six hundred eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 491 620 982 1240 1964 2455 3928 4910 9820 15221 19640 30442 60884 76105 121768 152210 304420 608840