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164144036 = 2275862287
BaseRepresentation
bin10011100100010…
…10001110100100
3102102212101021202
421302022032210
5314010102121
624142102032
74032126020
oct1162121644
9372771252
10164144036
1184722931
1246b7a918
1328011a64
1417b2b380
15e62540b
hex9c8a3a4

164144036 has 12 divisors (see below), whose sum is σ = 328288128. Its totient is φ = 70347432.

The previous prime is 164144023. The next prime is 164144041. The reversal of 164144036 is 630441461.

164144036 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2931116 + ... + 2931171.

It is an arithmetic number, because the mean of its divisors is an integer number (27357344).

Almost surely, 2164144036 is an apocalyptic number.

It is an amenable number.

164144036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164144036 is a wasteful number, since it uses less digits than its factorization.

164144036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862298 (or 5862296 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 164144036 is about 12811.8709016287. The cubic root of 164144036 is about 547.5305666024.

Adding to 164144036 its reverse (630441461), we get a palindrome (794585497).

The spelling of 164144036 in words is "one hundred sixty-four million, one hundred forty-four thousand, thirty-six".

Divisors: 1 2 4 7 14 28 5862287 11724574 23449148 41036009 82072018 164144036