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42930275 = 526128151
BaseRepresentation
bin1010001111000…
…1000001100011
32222210002021012
42203301001203
541442232100
64132051135
71030621103
oct243610143
988702235
1042930275
1122262173
1212463aab
138b8153b
1459b7203
153b80135
hex28f1063

42930275 has 12 divisors (see below), whose sum is σ = 54108144. Its totient is φ = 33780000.

The previous prime is 42930269. The next prime is 42930281. The reversal of 42930275 is 57203924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42930269) and next prime (42930281).

It is not a de Polignac number, because 42930275 - 222 = 38735971 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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12551 + ... + 15600.

It is an arithmetic number, because the mean of its divisors is an integer number (4509012).

Almost surely, 242930275 is an apocalyptic number.

42930275 is a deficient number, since it is larger than the sum of its proper divisors (11177869).

42930275 is a wasteful number, since it uses less digits than its factorization.

42930275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28222 (or 28217 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 42930275 is about 6552.1198859606. The cubic root of 42930275 is about 350.1503435735.

The spelling of 42930275 in words is "forty-two million, nine hundred thirty thousand, two hundred seventy-five".

Divisors: 1 5 25 61 305 1525 28151 140755 703775 1717211 8586055 42930275