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2148018 = 231721059
BaseRepresentation
bin1000001100011010110010
311001010112020
420030122302
51022214033
6114012310
724154305
oct10143262
94033466
102148018
111237924
12877096
135a2922
143dcb3c
152c66b3
hex20c6b2

2148018 has 16 divisors (see below), whose sum is σ = 4548960. Its totient is φ = 673856.

The previous prime is 2148011. The next prime is 2148019. The reversal of 2148018 is 8108412.

It is a super-2 number, since 2×21480182 = 9227962656648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148011) 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, 10428 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (284310).

22148018 is an apocalyptic number.

2148018 is an abundant number, since it is smaller than the sum of its proper divisors (2400942).

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

2148018 is a wasteful number, since it uses less digits than its factorization.

2148018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21081.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2148018 is about 1465.6118176379. The cubic root of 2148018 is about 129.0266155046.

The spelling of 2148018 in words is "two million, one hundred forty-eight thousand, eighteen".

Divisors: 1 2 3 6 17 34 51 102 21059 42118 63177 126354 358003 716006 1074009 2148018