Search a number
-
+
170242000 = 245385121
BaseRepresentation
bin10100010010110…
…10111111010000
3102212100012010021
422021122333100
5322040221000
624520513224
74135014235
oct1211327720
9385305107
10170242000
1188108375
124901b814
1329368516
141887778c
15ee2c11a
hexa25afd0

170242000 has 40 divisors (see below), whose sum is σ = 411649992. Its totient is φ = 68096000.

The previous prime is 170241941. The next prime is 170242001. The reversal of 170242000 is 242071.

170242000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 169937296 = 552^2 + 13036^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170242001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40561 + ... + 44560.

Almost surely, 2170242000 is an apocalyptic number.

170242000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170242000 is an abundant number, since it is smaller than the sum of its proper divisors (241407992).

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

170242000 is an equidigital number, since it uses as much as digits as its factorization.

170242000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85144 (or 85128 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 170242000 is about 13047.6817864324. The cubic root of 170242000 is about 554.2285632586.

Adding to 170242000 its reverse (242071), we get a palindrome (170484071).

The spelling of 170242000 in words is "one hundred seventy million, two hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 85121 170242 340484 425605 680968 851210 1361936 1702420 2128025 3404840 4256050 6809680 8512100 10640125 17024200 21280250 34048400 42560500 85121000 170242000