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20073525 = 352267647
BaseRepresentation
bin100110010010…
…0110000110101
31101202211200220
41030210300311
520114323100
61554124553
7332423253
oct114446065
941684626
1020073525
111037059a
126880759
13420aa34
1429475d3
151b67aa0
hex1324c35

20073525 has 12 divisors (see below), whose sum is σ = 33188352. Its totient is φ = 10705840.

The previous prime is 20073517. The next prime is 20073533. The reversal of 20073525 is 52537002.

It is an interprime number because it is at equal distance from previous prime (20073517) and next prime (20073533).

It is not a de Polignac number, because 20073525 - 23 = 20073517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20073495 and 20073504.

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, 133749 + ... + 133898.

It is an arithmetic number, because the mean of its divisors is an integer number (2765696).

Almost surely, 220073525 is an apocalyptic number.

20073525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20073525 is a deficient number, since it is larger than the sum of its proper divisors (13114827).

20073525 is a wasteful number, since it uses less digits than its factorization.

20073525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267660 (or 267655 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 20073525 is about 4480.3487587464. The cubic root of 20073525 is about 271.7739841393.

The spelling of 20073525 in words is "twenty million, seventy-three thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 267647 802941 1338235 4014705 6691175 20073525