Search a number
-
+
17043157 = 53321569
BaseRepresentation
bin100000100000…
…0111011010101
31012001212211001
41001000323111
513330340112
61405143301
7264602335
oct101007325
935055731
1017043157
11969085a
12585ab31
1336b9611
1423990c5
151769c57
hex1040ed5

17043157 has 4 divisors (see below), whose sum is σ = 17364780. Its totient is φ = 16721536.

The previous prime is 17043119. The next prime is 17043181. The reversal of 17043157 is 75134071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75134071 = 103729457.

It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 5692996 = 3369^2 + 2386^2 .

It is a cyclic number.

It is not a de Polignac number, because 17043157 - 27 = 17043029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17043107) 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, 160732 + ... + 160837.

It is an arithmetic number, because the mean of its divisors is an integer number (4341195).

Almost surely, 217043157 is an apocalyptic number.

It is an amenable number.

17043157 is a deficient number, since it is larger than the sum of its proper divisors (321623).

17043157 is an equidigital number, since it uses as much as digits as its factorization.

17043157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321622.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 17043157 is about 4128.3358632747. The cubic root of 17043157 is about 257.3455610821.

The spelling of 17043157 in words is "seventeen million, forty-three thousand, one hundred fifty-seven".

Divisors: 1 53 321569 17043157