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540246220 = 225291138243
BaseRepresentation
bin100000001100111…
…000000011001100
31101122120100111021
4200030320003030
52101300334340
6125335203524
716250005603
oct4014700314
91348510437
10540246220
11257a55a88
12130b165a4
1387c06a27
1451a70a3a
1532667e4a
hex203380cc

540246220 has 48 divisors (see below), whose sum is σ = 1184168160. Its totient is φ = 206775296.

The previous prime is 540246181. The next prime is 540246233. The reversal of 540246220 is 22642045.

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, 61419 + ... + 69661.

It is an arithmetic number, because the mean of its divisors is an integer number (24670170).

Almost surely, 2540246220 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 540246220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592084080).

540246220 is an abundant number, since it is smaller than the sum of its proper divisors (643921940).

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

540246220 is a wasteful number, since it uses less digits than its factorization.

540246220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394 (or 8392 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 540246220 is about 23243.1972843669. The cubic root of 540246220 is about 814.4490335620.

Adding to 540246220 its reverse (22642045), we get a palindrome (562888265).

The spelling of 540246220 in words is "five hundred forty million, two hundred forty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 113 116 145 226 290 452 565 580 1130 2260 3277 6554 8243 13108 16385 16486 32770 32972 41215 65540 82430 164860 239047 478094 931459 956188 1195235 1862918 2390470 3725836 4657295 4780940 9314590 18629180 27012311 54024622 108049244 135061555 270123110 540246220