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42203481 = 377318199
BaseRepresentation
bin1010000011111…
…1100101011001
32221102011021220
42200333211121
541301002411
64104322253
71021503135
oct240774531
987364256
1042203481
1121906111
1212173389
138988798
1458683c5
153a89b06
hex283f959

42203481 has 8 divisors (see below), whose sum is σ = 56347200. Its totient is φ = 28097712.

The previous prime is 42203479. The next prime is 42203527. The reversal of 42203481 is 18430224.

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

It is not a de Polignac number, because 42203481 - 21 = 42203479 is a prime.

It is a super-2 number, since 2×422034812 = 3562267617034722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42203411) 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, 6781 + ... + 11418.

It is an arithmetic number, because the mean of its divisors is an integer number (7043400).

Almost surely, 242203481 is an apocalyptic number.

It is an amenable number.

42203481 is a deficient number, since it is larger than the sum of its proper divisors (14143719).

42203481 is a wasteful number, since it uses less digits than its factorization.

42203481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18975.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42203481 is about 6496.4206298546. The cubic root of 42203481 is about 348.1631138494.

The spelling of 42203481 in words is "forty-two million, two hundred three thousand, four hundred eighty-one".

Divisors: 1 3 773 2319 18199 54597 14067827 42203481