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243200152 = 231319123077
BaseRepresentation
bin11100111111011…
…11000010011000
3121221121211220001
432133233002120
5444224401102
640044342344
76012111226
oct1637570230
9557554801
10243200152
11115309968
12695449b4
133b501620
1424429b16
151653e487
hexe7ef098

243200152 has 32 divisors (see below), whose sum is σ = 516927600. Its totient is φ = 106337664.

The previous prime is 243200143. The next prime is 243200159. The reversal of 243200152 is 251002342.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243200159) 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, 59563 + ... + 63514.

Almost surely, 2243200152 is an apocalyptic number.

It is an amenable number.

243200152 is an abundant number, since it is smaller than the sum of its proper divisors (273727448).

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

243200152 is a wasteful number, since it uses less digits than its factorization.

243200152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123115 (or 123111 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 243200152 is about 15594.8758250908. The cubic root of 243200152 is about 624.1964303240.

Adding to 243200152 its reverse (251002342), we get a palindrome (494202494).

It can be divided in two parts, 243200 and 152, that multiplied together give a square (36966400 = 60802).

The spelling of 243200152 in words is "two hundred forty-three million, two hundred thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 123077 246154 492308 984616 1600001 2338463 3200002 4676926 6400004 9353852 12800008 18707704 30400019 60800038 121600076 243200152