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2148023 = 13715679
BaseRepresentation
bin1000001100011010110111
311001010112102
420030122313
51022214043
6114012315
724154313
oct10143267
94033472
102148023
111237929
1287709b
135a2927
143dcb43
152c66b8
hex20c6b7

2148023 has 4 divisors (see below), whose sum is σ = 2163840. Its totient is φ = 2132208.

The previous prime is 2148019. The next prime is 2148043. The reversal of 2148023 is 3208412.

2148023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2148023 - 22 = 2148019 is a prime.

It is a super-2 number, since 2×21480232 = 9228005617058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2147986 and 2148004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7703 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (540960).

22148023 is an apocalyptic number.

2148023 is a deficient number, since it is larger than the sum of its proper divisors (15817).

2148023 is a wasteful number, since it uses less digits than its factorization.

2148023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2148023 is about 1465.6135234092. The cubic root of 2148023 is about 129.0267156174.

The spelling of 2148023 in words is "two million, one hundred forty-eight thousand, twenty-three".

Divisors: 1 137 15679 2148023