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243422150 = 25217733923
BaseRepresentation
bin11101000001001…
…01001111000110
3121222001010102012
432200211033012
5444304002100
640053214222
76014024366
oct1640451706
9558033365
10243422150
11115450734
1269631372
133b57b69a
14244869a6
1516585135
hexe8253c6

243422150 has 48 divisors (see below), whose sum is σ = 486089424. Its totient is φ = 90362880.

The previous prime is 243422119. The next prime is 243422159. The reversal of 243422150 is 51224342.

It is a happy number.

243422150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2434221502 = 118508686221245000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243422159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60089 + ... + 64011.

It is an arithmetic number, because the mean of its divisors is an integer number (10126863).

Almost surely, 2243422150 is an apocalyptic number.

243422150 is a deficient number, since it is larger than the sum of its proper divisors (242667274).

243422150 is a wasteful number, since it uses less digits than its factorization.

243422150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 243422150 is about 15601.9918600158. The cubic root of 243422150 is about 624.3862989242.

Adding to 243422150 its reverse (51224342), we get a palindrome (294646492).

The spelling of 243422150 in words is "two hundred forty-three million, four hundred twenty-two thousand, one hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 73 85 146 170 365 425 730 850 1241 1825 2482 3650 3923 6205 7846 12410 19615 31025 39230 62050 66691 98075 133382 196150 286379 333455 572758 666910 1431895 1667275 2863790 3334550 4868443 7159475 9736886 14318950 24342215 48684430 121711075 243422150