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42407275 = 521696291
BaseRepresentation
bin1010000111000…
…1010101101011
32221210111211211
42201301111223
541324013100
64112533551
71023312241
oct241612553
987714754
1042407275
1121a35239
12122512b7
138a2a481
1458bc791
153aca1ba
hex287156b

42407275 has 6 divisors (see below), whose sum is σ = 52585052. Its totient is φ = 33925800.

The previous prime is 42407257. The next prime is 42407303. The reversal of 42407275 is 57270424.

42407275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42407275 - 213 = 42399083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 848121 + ... + 848170.

Almost surely, 242407275 is an apocalyptic number.

42407275 is a deficient number, since it is larger than the sum of its proper divisors (10177777).

42407275 is a wasteful number, since it uses less digits than its factorization.

42407275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696301 (or 1696296 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 42407275 is about 6512.0868391016. The cubic root of 42407275 is about 348.7226226031.

Adding to 42407275 its reverse (57270424), we get a palindrome (99677699).

The spelling of 42407275 in words is "forty-two million, four hundred seven thousand, two hundred seventy-five".

Divisors: 1 5 25 1696291 8481455 42407275