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42264589 = 311135899
BaseRepresentation
bin1010000100111…
…0100000001101
32221112021010011
42201032200031
541304431324
64105513221
71022146243
oct241164015
987467104
1042264589
1121948014
12121a2811
1389aa543
145882793
153a9cc94
hex284e80d

42264589 has 4 divisors (see below), whose sum is σ = 42400800. Its totient is φ = 42128380.

The previous prime is 42264581. The next prime is 42264617. The reversal of 42264589 is 98546224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42264589 - 23 = 42264581 is a prime.

It is a super-3 number, since 3×422645893 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42264581) 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, 67639 + ... + 68260.

It is an arithmetic number, because the mean of its divisors is an integer number (10600200).

Almost surely, 242264589 is an apocalyptic number.

It is an amenable number.

42264589 is a deficient number, since it is larger than the sum of its proper divisors (136211).

42264589 is a wasteful number, since it uses less digits than its factorization.

42264589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136210.

The product of its digits is 138240, while the sum is 40.

The square root of 42264589 is about 6501.1221339089. The cubic root of 42264589 is about 348.3310722797.

The spelling of 42264589 in words is "forty-two million, two hundred sixty-four thousand, five hundred eighty-nine".

Divisors: 1 311 135899 42264589