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6342240 = 253573181
BaseRepresentation
bin11000001100011001100000
3102221012220210
4120030121200
53110422430
6343534120
7104623332
oct30143140
912835823
106342240
113642023
12215a340
131410a08
14bb1452
158542b0
hex60c660

6342240 has 96 divisors (see below), whose sum is σ = 20363616. Its totient is φ = 1658880.

The previous prime is 6342239. The next prime is 6342251. The reversal of 6342240 is 422436.

6342240 = 2582 + 2592 + ... + 3302.

6342240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34950 + ... + 35130.

It is an arithmetic number, because the mean of its divisors is an integer number (212121).

Almost surely, 26342240 is an apocalyptic number.

6342240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6342240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10181808).

6342240 is an abundant number, since it is smaller than the sum of its proper divisors (14021376).

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

6342240 is a wasteful number, since it uses less digits than its factorization.

6342240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 6342240 is about 2518.3804319443. The cubic root of 6342240 is about 185.1033267444.

Adding to 6342240 its reverse (422436), we get a palindrome (6764676).

The spelling of 6342240 in words is "six million, three hundred forty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 73 80 96 120 146 160 181 219 240 292 362 365 438 480 543 584 724 730 876 905 1086 1095 1168 1448 1460 1752 1810 2172 2190 2336 2715 2896 2920 3504 3620 4344 4380 5430 5792 5840 7008 7240 8688 8760 10860 11680 13213 14480 17376 17520 21720 26426 28960 35040 39639 43440 52852 66065 79278 86880 105704 132130 158556 198195 211408 264260 317112 396390 422816 528520 634224 792780 1057040 1268448 1585560 2114080 3171120 6342240