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42625610 = 254262561
BaseRepresentation
bin1010001010011…
…0101001001010
32222012121100022
42202212221022
541403004420
64121340442
71025211626
oct242465112
988177308
1042625610
1122074285
1212337722
138aa5971
145938186
153b1ec25
hex28a6a4a

42625610 has 8 divisors (see below), whose sum is σ = 76726116. Its totient is φ = 17050240.

The previous prime is 42625559. The next prime is 42625619. The reversal of 42625610 is 1652624.

It can be written as a sum of positive squares in 2 ways, for example, as 40157569 + 2468041 = 6337^2 + 1571^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 42625610.

It is not an unprimeable number, because it can be changed into a prime (42625619) 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 in 3 ways as a sum of consecutive naturals, for example, 2131271 + ... + 2131290.

Almost surely, 242625610 is an apocalyptic number.

42625610 is a deficient number, since it is larger than the sum of its proper divisors (34100506).

42625610 is a wasteful number, since it uses less digits than its factorization.

42625610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262568.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42625610 is about 6528.8291446476. The cubic root of 42625610 is about 349.3200677308.

The spelling of 42625610 in words is "forty-two million, six hundred twenty-five thousand, six hundred ten".

Divisors: 1 2 5 10 4262561 8525122 21312805 42625610