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42065151 = 314021717
BaseRepresentation
bin1010000001110…
…1110011111111
32221011010112120
42200131303333
541232041101
64101334023
71020355632
oct240356377
987133476
1042065151
1121821197
1212107313
13893a82b
14582dc19
153a5db36
hex281dcff

42065151 has 4 divisors (see below), whose sum is σ = 56086872. Its totient is φ = 28043432.

The previous prime is 42065119. The next prime is 42065203. The reversal of 42065151 is 15156024.

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

It is a cyclic number.

It is not a de Polignac number, because 42065151 - 25 = 42065119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42065251) 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, 7010856 + ... + 7010861.

It is an arithmetic number, because the mean of its divisors is an integer number (14021718).

Almost surely, 242065151 is an apocalyptic number.

42065151 is a deficient number, since it is larger than the sum of its proper divisors (14021721).

42065151 is a wasteful number, since it uses less digits than its factorization.

42065151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14021720.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 42065151 is about 6485.7652593969. The cubic root of 42065151 is about 347.7823070389.

The spelling of 42065151 in words is "forty-two million, sixty-five thousand, one hundred fifty-one".

Divisors: 1 3 14021717 42065151