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20058453 = 3217131101
BaseRepresentation
bin100110010000…
…1000101010101
31101202002000200
41030201011111
520113332303
61553531113
7332331312
oct114410525
941662020
1020058453
1110360238
126873a99
134203c0c
142941d09
151b633a3
hex1321155

20058453 has 12 divisors (see below), whose sum is σ = 30677868. Its totient is φ = 12585600.

The previous prime is 20058449. The next prime is 20058473. The reversal of 20058453 is 35485002.

20058453 is a `hidden beast` number, since 200 + 5 + 8 + 453 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12341169 + 7717284 = 3513^2 + 2778^2 .

It is not a de Polignac number, because 20058453 - 22 = 20058449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20058443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65398 + ... + 65703.

It is an arithmetic number, because the mean of its divisors is an integer number (2556489).

Almost surely, 220058453 is an apocalyptic number.

It is an amenable number.

20058453 is a deficient number, since it is larger than the sum of its proper divisors (10619415).

20058453 is a wasteful number, since it uses less digits than its factorization.

20058453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131124 (or 131121 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 20058453 is about 4478.6664309814. Note that the first 3 decimals coincide. The cubic root of 20058453 is about 271.7059475404.

It can be divided in two parts, 200 and 58453, that added together give a triangular number (58653 = T342).

The spelling of 20058453 in words is "twenty million, fifty-eight thousand, four hundred fifty-three".

Divisors: 1 3 9 17 51 153 131101 393303 1179909 2228717 6686151 20058453