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20483460 = 22325113797
BaseRepresentation
bin100111000100…
…0110110000100
31102112200000200
41032020312010
520220432320
62011010500
7336051354
oct116106604
942480020
1020483460
1110620588
126a39a30
1343224ba
142a12b64
151be9290
hex1388d84

20483460 has 36 divisors (see below), whose sum is σ = 62133708. Its totient is φ = 5462208.

The previous prime is 20483423. The next prime is 20483461. The reversal of 20483460 is 6438402.

It can be written as a sum of positive squares in 2 ways, for example, as 5875776 + 14607684 = 2424^2 + 3822^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (20483461) 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, 56719 + ... + 57078.

Almost surely, 220483460 is an apocalyptic number.

20483460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20483460 is an abundant number, since it is smaller than the sum of its proper divisors (41650248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20483460 is a wasteful number, since it uses less digits than its factorization.

20483460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113812 (or 113807 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 20483460 is about 4525.8656630528. The cubic root of 20483460 is about 273.6115581964.

The spelling of 20483460 in words is "twenty million, four hundred eighty-three thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 113797 227594 341391 455188 568985 682782 1024173 1137970 1365564 1706955 2048346 2275940 3413910 4096692 5120865 6827820 10241730 20483460