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42287962 = 221143981
BaseRepresentation
bin1010000101010…
…0001101011010
32221120110011211
42201110031122
541311203322
64110213334
71022304343
oct241241532
987513154
1042287962
1121963632
12121b424a
1389b8082
14588b0ca
153aa4b77
hex285435a

42287962 has 4 divisors (see below), whose sum is σ = 63431946. Its totient is φ = 21143980.

The previous prime is 42287957. The next prime is 42287969. The reversal of 42287962 is 26978224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25796241 + 16491721 = 5079^2 + 4061^2 .

It is a super-2 number, since 2×422879622 = 3576543460226888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42287969) by changing a digit.

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 as a sum of consecutive naturals, namely, 10571989 + ... + 10571992.

Almost surely, 242287962 is an apocalyptic number.

42287962 is a deficient number, since it is larger than the sum of its proper divisors (21143984).

42287962 is a wasteful number, since it uses less digits than its factorization.

42287962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21143983.

The product of its digits is 96768, while the sum is 40.

The square root of 42287962 is about 6502.9194981946. The cubic root of 42287962 is about 348.3952713488.

The spelling of 42287962 in words is "forty-two million, two hundred eighty-seven thousand, nine hundred sixty-two".

Divisors: 1 2 21143981 42287962