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2164494 = 23360749
BaseRepresentation
bin1000010000011100001110
311001222010110
420100130032
51023230434
6114220450
724253323
oct10203416
94058113
102164494
111249242
12884726
135aa287
14404b4a
152cb4e9
hex21070e

2164494 has 8 divisors (see below), whose sum is σ = 4329000. Its totient is φ = 721496.

The previous prime is 2164493. The next prime is 2164501. The reversal of 2164494 is 4944612.

It is a sphenic number, since it is the product of 3 distinct primes.

2164494 is an admirable number.

It is a d-powerful number, because it can be written as 221 + 1 + 62 + 42 + 45 + 93 + 48 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164493) 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, 180369 + ... + 180380.

It is an arithmetic number, because the mean of its divisors is an integer number (541125).

22164494 is an apocalyptic number.

2164494 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.

2164494 is a wasteful number, since it uses less digits than its factorization.

2164494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360754.

The product of its digits is 6912, while the sum is 30.

The square root of 2164494 is about 1471.2219411088. The cubic root of 2164494 is about 129.3556677221.

The spelling of 2164494 in words is "two million, one hundred sixty-four thousand, four hundred ninety-four".

Divisors: 1 2 3 6 360749 721498 1082247 2164494