Search a number
-
+
42195536 = 242637221
BaseRepresentation
bin1010000011110…
…1101001010000
32221101202101122
42200331221100
541300224121
64104221412
71021441025
oct240755120
987352348
1042195536
1121900149
121216a868
138984c96
14586554c
153a875ab
hex283da50

42195536 has 10 divisors (see below), whose sum is σ = 81753882. Its totient is φ = 21097760.

The previous prime is 42195521. The next prime is 42195539. The reversal of 42195536 is 63559124.

It can be written as a sum of positive squares in only one way, i.e., 35331136 + 6864400 = 5944^2 + 2620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42195496 and 42195505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42195539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1318595 + ... + 1318626.

Almost surely, 242195536 is an apocalyptic number.

It is an amenable number.

42195536 is a deficient number, since it is larger than the sum of its proper divisors (39558346).

42195536 is a wasteful number, since it uses less digits than its factorization.

42195536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637229 (or 2637223 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 42195536 is about 6495.8091104958. The cubic root of 42195536 is about 348.1412647075.

The spelling of 42195536 in words is "forty-two million, one hundred ninety-five thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16 2637221 5274442 10548884 21097768 42195536