Search a number
-
+
170980668 = 22324749463
BaseRepresentation
bin10100011000011…
…11010100111100
3102220201201101100
422030033110330
5322232340133
624544413100
74144211625
oct1214172474
9386651340
10170980668
1188572341
1249317190
13295667c1
14189caa4c
1510025e13
hexa30f53c

170980668 has 18 divisors (see below), whose sum is σ = 432201224. Its totient is φ = 56993544.

The previous prime is 170980661. The next prime is 170980699. The reversal of 170980668 is 866089071.

It is a happy number.

170980668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170980661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2374696 + ... + 2374767.

Almost surely, 2170980668 is an apocalyptic number.

170980668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

170980668 is an abundant number, since it is smaller than the sum of its proper divisors (261220556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

170980668 is a wasteful number, since it uses less digits than its factorization.

170980668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749473 (or 4749468 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 170980668 is about 13075.9576322348. The cubic root of 170980668 is about 555.0289928852.

The spelling of 170980668 in words is "one hundred seventy million, nine hundred eighty thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 4749463 9498926 14248389 18997852 28496778 42745167 56993556 85490334 170980668