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2000438 = 211791151
BaseRepresentation
bin111101000011000110110
310202122002022
413220120312
51003003223
6110513142
723001116
oct7503066
93678068
102000438
111146a60
128057b2
135506bb
143a1046
15297ac8
hex1e8636

2000438 has 16 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 897000.

The previous prime is 2000429. The next prime is 2000447. The reversal of 2000438 is 8340002.

It is an interprime number because it is at equal distance from previous prime (2000429) and next prime (2000447).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1163 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

22000438 is an apocalyptic number.

2000438 is a deficient number, since it is larger than the sum of its proper divisors (1317322).

2000438 is a wasteful number, since it uses less digits than its factorization.

2000438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2000438 is about 1414.3684102807. The cubic root of 2000438 is about 126.0013017418.

The spelling of 2000438 in words is "two million, four hundred thirty-eight", and thus it is an aban number.

Divisors: 1 2 11 22 79 158 869 1151 1738 2302 12661 25322 90929 181858 1000219 2000438