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42925051 = 1317434517
BaseRepresentation
bin1010001110111…
…1101111111011
32222202211002201
42203233233323
541442100201
64132011031
71030566631
oct243575773
988684081
1042925051
1122259254
1212460a77
138b7c050
1459b5351
153b7d801
hex28efbfb

42925051 has 16 divisors (see below), whose sum is σ = 50095584. Its totient is φ = 36417024.

The previous prime is 42925033. The next prime is 42925063. The reversal of 42925051 is 15052924.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42925051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42925021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7245 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (3130974).

Almost surely, 242925051 is an apocalyptic number.

42925051 is a deficient number, since it is larger than the sum of its proper divisors (7170533).

42925051 is a wasteful number, since it uses less digits than its factorization.

42925051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 42925051 is about 6551.7212242280. The cubic root of 42925051 is about 350.1361402357.

Adding to 42925051 its reverse (15052924), we get a palindrome (57977975).

The spelling of 42925051 in words is "forty-two million, nine hundred twenty-five thousand, fifty-one".

Divisors: 1 13 17 43 221 559 731 4517 9503 58721 76789 194231 998257 2525003 3301927 42925051