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243430022 = 21123481087
BaseRepresentation
bin11101000001001…
…11001010000110
3121222001112012202
432200213022012
5444304230042
640053314502
76014056343
oct1640471206
9558045182
10243430022
11115456640
1269635a32
133b582144
14244897ca
1516587632
hexe827286

243430022 has 16 divisors (see below), whose sum is σ = 415660032. Its totient is φ = 105838920.

The previous prime is 243429971. The next prime is 243430037. The reversal of 243430022 is 220034342.

It is a super-2 number, since 2×2434300222 = 118516351221840968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243429976 and 243430003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240038 + ... + 241049.

It is an arithmetic number, because the mean of its divisors is an integer number (25978752).

Almost surely, 2243430022 is an apocalyptic number.

243430022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243430022 is a deficient number, since it is larger than the sum of its proper divisors (172230010).

243430022 is a wasteful number, since it uses less digits than its factorization.

243430022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481123.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243430022 is about 15602.2441334572. The cubic root of 243430022 is about 624.3930295031.

Adding to 243430022 its reverse (220034342), we get a palindrome (463464364).

The spelling of 243430022 in words is "two hundred forty-three million, four hundred thirty thousand, twenty-two".

Divisors: 1 2 11 22 23 46 253 506 481087 962174 5291957 10583914 11065001 22130002 121715011 243430022