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42412490 = 2511173797
BaseRepresentation
bin1010000111001…
…0100111001010
32221210202222222
42201302213022
541324144430
64113014042
71023333401
oct241624712
987722888
1042412490
1121a3914a
1212254322
138a2c963
1458c0638
153acb9e5
hex28729ca

42412490 has 16 divisors (see below), whose sum is σ = 76430952. Its totient is φ = 16945344.

The previous prime is 42412481. The next prime is 42412499. The reversal of 42412490 is 9421424.

It is an interprime number because it is at equal distance from previous prime (42412481) and next prime (42412499).

It can be written as a sum of positive squares in 4 ways, for example, as 9223369 + 33189121 = 3037^2 + 5761^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42412499) 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, 9272 + ... + 13068.

Almost surely, 242412490 is an apocalyptic number.

42412490 is a deficient number, since it is larger than the sum of its proper divisors (34018462).

42412490 is a wasteful number, since it uses less digits than its factorization.

42412490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 42412490 is about 6512.4872360719. The cubic root of 42412490 is about 348.7369166437.

The spelling of 42412490 in words is "forty-two million, four hundred twelve thousand, four hundred ninety".

Divisors: 1 2 5 10 1117 2234 3797 5585 7594 11170 18985 37970 4241249 8482498 21206245 42412490