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32013020 = 22513123127
BaseRepresentation
bin111101000011…
…1101011011100
32020020102121102
41322013223130
531143404040
63102052232
7536051264
oct172075334
966212542
1032013020
1117085946
12a87a078
13682b320
1443747a4
152c25515
hex1e87adc

32013020 has 24 divisors (see below), whose sum is σ = 72399264. Its totient is φ = 11820096.

The previous prime is 32013019. The next prime is 32013031. The reversal of 32013020 is 2031023.

It is a junction number, because it is equal to n+sod(n) for n = 32012992 and 32013010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61304 + ... + 61823.

It is an arithmetic number, because the mean of its divisors is an integer number (3016636).

Almost surely, 232013020 is an apocalyptic number.

It is an amenable number.

32013020 is an abundant number, since it is smaller than the sum of its proper divisors (40386244).

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

32013020 is a wasteful number, since it uses less digits than its factorization.

32013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123149 (or 123147 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 32013020 is about 5658.0049487430. The cubic root of 32013020 is about 317.5232628087.

Adding to 32013020 its reverse (2031023), we get a palindrome (34044043).

The spelling of 32013020 in words is "thirty-two million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 123127 246254 492508 615635 1231270 1600651 2462540 3201302 6402604 8003255 16006510 32013020