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42332515 = 531273113
BaseRepresentation
bin1010000101111…
…1000101100011
32221122201021221
42201133011203
541314120030
64111155511
71022551261
oct241370543
987581257
1042332515
1121994055
1212215b97
138a02434
14589d431
153ab2e7a
hex285f163

42332515 has 8 divisors (see below), whose sum is σ = 52437888. Its totient is φ = 32773440.

The previous prime is 42332509. The next prime is 42332527. The reversal of 42332515 is 51523324.

42332515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42332515 - 211 = 42330467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42332515.

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 7 ways as a sum of consecutive naturals, for example, 136402 + ... + 136711.

It is an arithmetic number, because the mean of its divisors is an integer number (6554736).

Almost surely, 242332515 is an apocalyptic number.

42332515 is a deficient number, since it is larger than the sum of its proper divisors (10105373).

42332515 is a wasteful number, since it uses less digits than its factorization.

42332515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273149.

The product of its digits is 3600, while the sum is 25.

The square root of 42332515 is about 6506.3442116138. The cubic root of 42332515 is about 348.5175804397.

Adding to 42332515 its reverse (51523324), we get a palindrome (93855839).

The spelling of 42332515 in words is "forty-two million, three hundred thirty-two thousand, five hundred fifteen".

Divisors: 1 5 31 155 273113 1365565 8466503 42332515