Search a number
-
+
42170410 = 254217041
BaseRepresentation
bin1010000011011…
…1100000101010
32221100110221001
42200313200222
541243423120
64103505214
71021304542
oct240674052
987313831
1042170410
1121893287
121215820a
138976709
14585a322
153a7ee0a
hex283782a

42170410 has 8 divisors (see below), whose sum is σ = 75906756. Its totient is φ = 16868160.

The previous prime is 42170407. The next prime is 42170449. The reversal of 42170410 is 1407124.

It can be written as a sum of positive squares in 2 ways, for example, as 41486481 + 683929 = 6441^2 + 827^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2108511 + ... + 2108530.

Almost surely, 242170410 is an apocalyptic number.

42170410 is a deficient number, since it is larger than the sum of its proper divisors (33736346).

42170410 is a wasteful number, since it uses less digits than its factorization.

42170410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217048.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 42170410 is about 6493.8748063079. The cubic root of 42170410 is about 348.0721489109.

Adding to 42170410 its reverse (1407124), we get a palindrome (43577534).

The spelling of 42170410 in words is "forty-two million, one hundred seventy thousand, four hundred ten".

Divisors: 1 2 5 10 4217041 8434082 21085205 42170410