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243201060 = 223251351117
BaseRepresentation
bin11100111111011…
…11010000100100
3121221121220010200
432133233100210
5444224413220
640044350500
76012113664
oct1637572044
9557556120
10243201060
1111530a613
1269545430
133b501b6b
142442a1a4
151653e890
hexe7ef424

243201060 has 36 divisors (see below), whose sum is σ = 737710428. Its totient is φ = 64853568.

The previous prime is 243200987. The next prime is 243201061. The reversal of 243201060 is 60102342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85045284 + 158155776 = 9222^2 + 12576^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (243201061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675379 + ... + 675738.

Almost surely, 2243201060 is an apocalyptic number.

243201060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243201060 is an abundant number, since it is smaller than the sum of its proper divisors (494509368).

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

243201060 is a wasteful number, since it uses less digits than its factorization.

243201060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351132 (or 1351127 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 243201060 is about 15594.9049371902. The cubic root of 243201060 is about 624.1972071460.

The spelling of 243201060 in words is "two hundred forty-three million, two hundred one thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1351117 2702234 4053351 5404468 6755585 8106702 12160053 13511170 16213404 20266755 24320106 27022340 40533510 48640212 60800265 81067020 121600530 243201060