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20496502 = 2137310799
BaseRepresentation
bin100111000110…
…0000001110110
31102120022220201
41032030001312
520221342002
62011151114
7336134365
oct116140166
942508821
1020496502
111062a364
126a4549a
134328410
142a177dc
151bed087
hex138c076

20496502 has 16 divisors (see below), whose sum is σ = 33566400. Its totient is φ = 9329472.

The previous prime is 20496499. The next prime is 20496517. The reversal of 20496502 is 20569402.

It is a super-3 number, since 3×204965023 (a number of 23 digits) contains 333 as substring.

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, 3502 + ... + 7297.

It is an arithmetic number, because the mean of its divisors is an integer number (2097900).

Almost surely, 220496502 is an apocalyptic number.

20496502 is a deficient number, since it is larger than the sum of its proper divisors (13069898).

20496502 is a wasteful number, since it uses less digits than its factorization.

20496502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10887.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20496502 is about 4527.3062631105. The cubic root of 20496502 is about 273.6696161752.

Subtracting 20496502 from its reverse (20569402), we obtain a square (72900 = 2702).

The spelling of 20496502 in words is "twenty million, four hundred ninety-six thousand, five hundred two".

Divisors: 1 2 13 26 73 146 949 1898 10799 21598 140387 280774 788327 1576654 10248251 20496502