Search a number
-
+
42610969 = 241176809
BaseRepresentation
bin1010001010001…
…1000100011001
32222011212021001
42202203010121
541402022334
64121145001
71025121142
oct242430431
988155231
1042610969
1122064285
121232b161
138a9c0bb
145932ac9
153b1a714
hex28a3119

42610969 has 4 divisors (see below), whose sum is σ = 42788020. Its totient is φ = 42433920.

The previous prime is 42610963. The next prime is 42611003. The reversal of 42610969 is 96901624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30969225 + 11641744 = 5565^2 + 3412^2 .

It is a cyclic number.

It is not a de Polignac number, because 42610969 - 23 = 42610961 is a prime.

It is a super-2 number, since 2×426109692 = 3631389358237922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42610961) 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, 88164 + ... + 88645.

It is an arithmetic number, because the mean of its divisors is an integer number (10697005).

Almost surely, 242610969 is an apocalyptic number.

It is an amenable number.

42610969 is a deficient number, since it is larger than the sum of its proper divisors (177051).

42610969 is a wasteful number, since it uses less digits than its factorization.

42610969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177050.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 42610969 is about 6527.7077906414. The cubic root of 42610969 is about 349.2800684534.

The spelling of 42610969 in words is "forty-two million, six hundred ten thousand, nine hundred sixty-nine".

Divisors: 1 241 176809 42610969