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20529088 = 26320767
BaseRepresentation
bin100111001001…
…1111111000000
31102121222121121
41032103333000
520223412323
62012002024
7336331366
oct116237700
942558547
1020529088
1110651898
126a60314
13433a1b8
142a25636
151c07a5d
hex1393fc0

20529088 has 14 divisors (see below), whose sum is σ = 40737536. Its totient is φ = 10264512.

The previous prime is 20529079. The next prime is 20529097. The reversal of 20529088 is 88092502.

It is an interprime number because it is at equal distance from previous prime (20529079) and next prime (20529097).

It is a super-2 number, since 2×205290882 = 842886908223488, which contains 22 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160320 + ... + 160447.

It is an arithmetic number, because the mean of its divisors is an integer number (2909824).

Almost surely, 220529088 is an apocalyptic number.

It is an amenable number.

20529088 is a deficient number, since it is larger than the sum of its proper divisors (20208448).

20529088 is an equidigital number, since it uses as much as digits as its factorization.

20529088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320779 (or 320769 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 20529088 is about 4530.9036626263. The cubic root of 20529088 is about 273.8145689798.

The spelling of 20529088 in words is "twenty million, five hundred twenty-nine thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 64 320767 641534 1283068 2566136 5132272 10264544 20529088