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42200247 = 3137102677
BaseRepresentation
bin1010000011111…
…0110010110111
32221101222212010
42200332302313
541300401442
64104255303
71021460535
oct240766267
987358763
1042200247
1121903741
1212171533
13898717b
145867155
153a88b9c
hex283ecb7

42200247 has 8 divisors (see below), whose sum is σ = 56678256. Its totient is φ = 27927872.

The previous prime is 42200237. The next prime is 42200251. The reversal of 42200247 is 74200224.

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 42200247 - 222 = 38005943 is a prime.

It is a super-2 number, since 2×422002472 = 3561721693722018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200237) 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, 50928 + ... + 51749.

It is an arithmetic number, because the mean of its divisors is an integer number (7084782).

Almost surely, 242200247 is an apocalyptic number.

42200247 is a deficient number, since it is larger than the sum of its proper divisors (14478009).

42200247 is a wasteful number, since it uses less digits than its factorization.

42200247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102817.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 42200247 is about 6496.1717187895. The cubic root of 42200247 is about 348.1542205208.

The spelling of 42200247 in words is "forty-two million, two hundred thousand, two hundred forty-seven".

Divisors: 1 3 137 411 102677 308031 14066749 42200247