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42303243 = 347300023
BaseRepresentation
bin1010000101011…
…1111100001011
32221121020010210
42201113330023
541312200433
64110412203
71022400033
oct241277413
987536123
1042303243
1121974064
1212201063
1389c2008
1458928c3
153aa9463
hex2857f0b

42303243 has 8 divisors (see below), whose sum is σ = 57604608. Its totient is φ = 27602024.

The previous prime is 42303241. The next prime is 42303263. The reversal of 42303243 is 34230324.

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

It is a cyclic number.

It is not a de Polignac number, because 42303243 - 21 = 42303241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42303241) 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, 149871 + ... + 150152.

It is an arithmetic number, because the mean of its divisors is an integer number (7200576).

Almost surely, 242303243 is an apocalyptic number.

42303243 is a deficient number, since it is larger than the sum of its proper divisors (15301365).

42303243 is a wasteful number, since it uses less digits than its factorization.

42303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300073.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 42303243 is about 6504.0943258843. The cubic root of 42303243 is about 348.4372311781.

Adding to 42303243 its reverse (34230324), we get a palindrome (76533567).

The spelling of 42303243 in words is "forty-two million, three hundred three thousand, two hundred forty-three".

Divisors: 1 3 47 141 300023 900069 14101081 42303243