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42453008 = 2413204101
BaseRepresentation
bin1010000111110…
…0100000010000
32221212211120122
42201330200100
541331444013
64113525412
71023562463
oct241744020
987784518
1042453008
1121a66634
1212273868
138a45230
1458d12da
153ad8a08
hex287c810

42453008 has 20 divisors (see below), whose sum is σ = 88580268. Its totient is φ = 19593600.

The previous prime is 42453001. The next prime is 42453017. The reversal of 42453008 is 80035424.

It can be written as a sum of positive squares in 2 ways, for example, as 24880144 + 17572864 = 4988^2 + 4192^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (42453001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101843 + ... + 102258.

Almost surely, 242453008 is an apocalyptic number.

It is an amenable number.

42453008 is an abundant number, since it is smaller than the sum of its proper divisors (46127260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42453008 is a wasteful number, since it uses less digits than its factorization.

42453008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204122 (or 204116 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42453008 is about 6515.5972865118. The cubic root of 42453008 is about 348.8479344525.

The spelling of 42453008 in words is "forty-two million, four hundred fifty-three thousand, eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 204101 408202 816404 1632808 2653313 3265616 5306626 10613252 21226504 42453008