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42033081 = 353264359
BaseRepresentation
bin1010000001010…
…1111110111001
32221002111112210
42200111332321
541230024311
64100525333
71020163266
oct240257671
987074483
1042033081
11217aa092
12120b0849
13892905c
14582226d
153a543a6
hex2815fb9

42033081 has 8 divisors (see below), whose sum is σ = 57101760. Its totient is φ = 27493232.

The previous prime is 42033071. The next prime is 42033091. The reversal of 42033081 is 18033024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42033071) and next prime (42033091).

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

It is a cyclic number.

It is not a de Polignac number, because 42033081 - 27 = 42032953 is a prime.

It is a super-2 number, since 2×420330812 = 3533559796705122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42033031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132021 + ... + 132338.

It is an arithmetic number, because the mean of its divisors is an integer number (7137720).

Almost surely, 242033081 is an apocalyptic number.

It is an amenable number.

42033081 is a deficient number, since it is larger than the sum of its proper divisors (15068679).

42033081 is a wasteful number, since it uses less digits than its factorization.

42033081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264415.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 42033081 is about 6483.2924505995. The cubic root of 42033081 is about 347.6939027904.

The spelling of 42033081 in words is "forty-two million, thirty-three thousand, eighty-one".

Divisors: 1 3 53 159 264359 793077 14011027 42033081