Search a number
-
+
162218838 = 23139194507
BaseRepresentation
bin10011010101101…
…00001101010110
3102022020120102010
421222310031112
5313012000323
624032525050
74006560135
oct1152641526
9368216363
10162218838
1183628461
12463b0786
13277b96a2
141778991c
15e394c93
hex9ab4356

162218838 has 16 divisors (see below), whose sum is σ = 326773440. Its totient is φ = 53683656.

The previous prime is 162218831. The next prime is 162218843. The reversal of 162218838 is 838812261.

162218838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 162218796 and 162218805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162218831) 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, 96420 + ... + 98087.

It is an arithmetic number, because the mean of its divisors is an integer number (20423340).

Almost surely, 2162218838 is an apocalyptic number.

162218838 is an abundant number, since it is smaller than the sum of its proper divisors (164554602).

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

162218838 is a wasteful number, since it uses less digits than its factorization.

162218838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194651.

The product of its digits is 36864, while the sum is 39.

The square root of 162218838 is about 12736.5159286204. The cubic root of 162218838 is about 545.3815334749.

The spelling of 162218838 in words is "one hundred sixty-two million, two hundred eighteen thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 139 278 417 834 194507 389014 583521 1167042 27036473 54072946 81109419 162218838