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243241552 = 24376412
BaseRepresentation
bin11100111111110…
…01001001010000
3121221200221200101
432133321021100
5444232212202
640045302144
76012343021
oct1637711120
9557627611
10243241552
11115337a84
1269564954
133b517418
142443ac48
151654b887
hexe7f9250

243241552 has 30 divisors (see below), whose sum is σ = 484774094. Its totient is φ = 118149120.

The previous prime is 243241549. The next prime is 243241573. The reversal of 243241552 is 255142342.

It can be written as a sum of positive squares in 3 ways, for example, as 190881856 + 52359696 = 13816^2 + 7236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243241552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379152 + ... + 379792.

Almost surely, 2243241552 is an apocalyptic number.

It is an amenable number.

243241552 is a deficient number, since it is larger than the sum of its proper divisors (241532542).

243241552 is an frugal number, since it uses more digits than its factorization.

243241552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 680 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 243241552 is about 15596.2031276846. The cubic root of 243241552 is about 624.2318473331.

Adding to 243241552 its reverse (255142342), we get a palindrome (498383894).

The spelling of 243241552 in words is "two hundred forty-three million, two hundred forty-one thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 37 74 148 296 592 641 1282 2564 5128 10256 23717 47434 94868 189736 379472 410881 821762 1643524 3287048 6574096 15202597 30405194 60810388 121620776 243241552