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2148164 = 22537041
BaseRepresentation
bin1000001100011101000100
311001010201122
420030131010
51022220124
6114013112
724154604
oct10143504
94033648
102148164
111237a47
12877198
135a2a05
143dcc04
152c675e
hex20c744

2148164 has 6 divisors (see below), whose sum is σ = 3759294. Its totient is φ = 1074080.

The previous prime is 2148163. The next prime is 2148187. The reversal of 2148164 is 4618412.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 688900 = 1208^2 + 830^2 .

It is a super-2 number, since 2×21481642 = 9229217141792, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 1 + 44 + 87 + 1 + 66 + 46 .

It is not an unprimeable number, because it can be changed into a prime (2148163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268517 + ... + 268524.

It is an arithmetic number, because the mean of its divisors is an integer number (626549).

22148164 is an apocalyptic number.

It is an amenable number.

2148164 is a deficient number, since it is larger than the sum of its proper divisors (1611130).

2148164 is a wasteful number, since it uses less digits than its factorization.

2148164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537045 (or 537043 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 2148164 is about 1465.6616253419. The cubic root of 2148164 is about 129.0295387357.

The spelling of 2148164 in words is "two million, one hundred forty-eight thousand, one hundred sixty-four".

Divisors: 1 2 4 537041 1074082 2148164