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20000134 = 2721118553
BaseRepresentation
bin100110001001…
…0110110000110
31101122010000201
41030102312012
520110001014
61552401114
7331666300
oct114226606
941563021
1020000134
1110320440
12684619a
1341b34cb
142928970
151b50e74
hex1312d86

20000134 has 24 divisors (see below), whose sum is σ = 38072808. Its totient is φ = 7791840.

The previous prime is 20000107. The next prime is 20000147. The reversal of 20000134 is 43100002.

It is a self number, because there is not a number n which added to its sum of digits gives 20000134.

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 11 ways as a sum of consecutive naturals, for example, 8199 + ... + 10354.

It is an arithmetic number, because the mean of its divisors is an integer number (1586367).

Almost surely, 220000134 is an apocalyptic number.

20000134 is a deficient number, since it is larger than the sum of its proper divisors (18072674).

20000134 is a wasteful number, since it uses less digits than its factorization.

20000134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580 (or 18573 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20000134 is about 4472.1509366299. The cubic root of 20000134 is about 271.4423678781.

Adding to 20000134 its reverse (43100002), we get a palindrome (63100136).

The spelling of 20000134 in words is "twenty million, one hundred thirty-four", and thus it is an aban number.

Divisors: 1 2 7 11 14 22 49 77 98 154 539 1078 18553 37106 129871 204083 259742 408166 909097 1428581 1818194 2857162 10000067 20000134