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2000453 = 71321989
BaseRepresentation
bin111101000011001000101
310202122002212
413220121011
51003003303
6110513205
723001140
oct7503105
93678085
102000453
111146a74
12805805
13550700
143a1057
15297ad8
hex1e8645

2000453 has 24 divisors (see below), whose sum is σ = 2635200. Its totient is φ = 1482624.

The previous prime is 2000447. The next prime is 2000497. The reversal of 2000453 is 3540002.

It is not a de Polignac number, because 2000453 - 26 = 2000389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22433 + ... + 22521.

It is an arithmetic number, because the mean of its divisors is an integer number (109800).

22000453 is an apocalyptic number.

It is an amenable number.

2000453 is a deficient number, since it is larger than the sum of its proper divisors (634747).

2000453 is a wasteful number, since it uses less digits than its factorization.

2000453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 2000453 is about 1414.3737129910. The cubic root of 2000453 is about 126.0016166753.

Adding to 2000453 its reverse (3540002), we get a palindrome (5540455).

The spelling of 2000453 in words is "two million, four hundred fifty-three", and thus it is an aban number.

Divisors: 1 7 13 19 89 91 133 169 247 623 1157 1183 1691 1729 3211 8099 11837 15041 21983 22477 105287 153881 285779 2000453