Search a number
-
+
168498340 = 2258424917
BaseRepresentation
bin10100000101100…
…01010010100100
3102202001121021021
422002301102210
5321113421330
624415300524
74114132543
oct1202612244
9382047237
10168498340
118712732a
124851a744
1328ba797a
141854215a
15ebd567a
hexa0b14a4

168498340 has 12 divisors (see below), whose sum is σ = 353846556. Its totient is φ = 67399328.

The previous prime is 168498331. The next prime is 168498349. The reversal of 168498340 is 43894861.

168498340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (168498331) and next prime (168498349).

It can be written as a sum of positive squares in 2 ways, for example, as 71199844 + 97298496 = 8438^2 + 9864^2 .

It is not an unprimeable number, because it can be changed into a prime (168498349) 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, 4212439 + ... + 4212478.

It is an arithmetic number, because the mean of its divisors is an integer number (29487213).

Almost surely, 2168498340 is an apocalyptic number.

168498340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168498340 is an abundant number, since it is smaller than the sum of its proper divisors (185348216).

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

168498340 is a wasteful number, since it uses less digits than its factorization.

168498340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424926 (or 8424924 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 168498340 is about 12980.6910447788. The cubic root of 168498340 is about 552.3298849063.

The spelling of 168498340 in words is "one hundred sixty-eight million, four hundred ninety-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 8424917 16849834 33699668 42124585 84249170 168498340