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243022030 = 25291316397
BaseRepresentation
bin11100111110000…
…11100011001110
3121221021210112221
432133003203032
5444203201110
640040445554
76010440016
oct1637034316
9557253487
10243022030
111151a8059
12694798ba
133b46b524
14243c0c46
15165067da
hexe7c38ce

243022030 has 32 divisors (see below), whose sum is σ = 456049440. Its totient is φ = 93125760.

The previous prime is 243022019. The next prime is 243022049. The reversal of 243022030 is 30220342.

It is a junction number, because it is equal to n+sod(n) for n = 243021995 and 243022013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34792 + ... + 41188.

It is an arithmetic number, because the mean of its divisors is an integer number (14251545).

Almost surely, 2243022030 is an apocalyptic number.

243022030 is a deficient number, since it is larger than the sum of its proper divisors (213027410).

243022030 is a wasteful number, since it uses less digits than its factorization.

243022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 243022030 is about 15589.1638646850. The cubic root of 243022030 is about 624.0440040604.

Adding to 243022030 its reverse (30220342), we get a palindrome (273242372).

The spelling of 243022030 in words is "two hundred forty-three million, twenty-two thousand, thirty".

Divisors: 1 2 5 10 29 58 131 145 262 290 655 1310 3799 6397 7598 12794 18995 31985 37990 63970 185513 371026 838007 927565 1676014 1855130 4190035 8380070 24302203 48604406 121511015 243022030