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243022413 = 3195141521
BaseRepresentation
bin11100111110000…
…11101001001101
3121221021211002010
432133003221031
5444203204123
640040451433
76010441104
oct1637035115
9557254063
10243022413
111151a8377
1269479b79
133b46b75a
14243c103b
1516506993
hexe7c3a4d

243022413 has 8 divisors (see below), whose sum is σ = 324203776. Its totient is φ = 161928000.

The previous prime is 243022399. The next prime is 243022453. The reversal of 243022413 is 314220342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243022413 - 213 = 243014221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243022413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243022453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14908 + ... + 26613.

It is an arithmetic number, because the mean of its divisors is an integer number (40525472).

Almost surely, 2243022413 is an apocalyptic number.

It is an amenable number.

243022413 is a deficient number, since it is larger than the sum of its proper divisors (81181363).

243022413 is a wasteful number, since it uses less digits than its factorization.

243022413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43475.

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

The square root of 243022413 is about 15589.1761488541. The cubic root of 243022413 is about 624.0443318890.

Adding to 243022413 its reverse (314220342), we get a palindrome (557242755).

The spelling of 243022413 in words is "two hundred forty-three million, twenty-two thousand, four hundred thirteen".

Divisors: 1 3 1951 5853 41521 124563 81007471 243022413