Search a number
-
+
17074621 = 139122839
BaseRepresentation
bin100000100100…
…0100110111101
31012010110222101
41001020212331
513332341441
61405545101
7265063144
oct101104675
935113871
1017074621
119702463
125875191
1336caa35
1423a675b
151774231
hex10489bd

17074621 has 4 divisors (see below), whose sum is σ = 17197600. Its totient is φ = 16951644.

The previous prime is 17074601. The next prime is 17074637. The reversal of 17074621 is 12647071.

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 17074621 - 27 = 17074493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17074621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17074601) 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 in 3 ways as a sum of consecutive naturals, for example, 61281 + ... + 61558.

It is an arithmetic number, because the mean of its divisors is an integer number (4299400).

Almost surely, 217074621 is an apocalyptic number.

It is an amenable number.

17074621 is a deficient number, since it is larger than the sum of its proper divisors (122979).

17074621 is a wasteful number, since it uses less digits than its factorization.

17074621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122978.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 17074621 is about 4132.1448425727. The cubic root of 17074621 is about 257.5038287677.

It can be divided in two parts, 1707 and 4621, that added together give a triangular number (6328 = T112).

The spelling of 17074621 in words is "seventeen million, seventy-four thousand, six hundred twenty-one".

Divisors: 1 139 122839 17074621