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32130825 = 352428411
BaseRepresentation
bin111101010010…
…0011100001001
32020110102012120
41322210130021
531211141300
63104401453
7540051606
oct172443411
966412176
1032130825
1117156401
12a916289
13686cb2c
1443a56ad
152c4a3a0
hex1ea4709

32130825 has 12 divisors (see below), whose sum is σ = 53123088. Its totient is φ = 17136400.

The previous prime is 32130821. The next prime is 32130829. The reversal of 32130825 is 52803123.

It is an interprime number because it is at equal distance from previous prime (32130821) and next prime (32130829).

It is not a de Polignac number, because 32130825 - 22 = 32130821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32130795 and 32130804.

It is not an unprimeable number, because it can be changed into a prime (32130821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214131 + ... + 214280.

It is an arithmetic number, because the mean of its divisors is an integer number (4426924).

Almost surely, 232130825 is an apocalyptic number.

It is an amenable number.

32130825 is a deficient number, since it is larger than the sum of its proper divisors (20992263).

32130825 is a wasteful number, since it uses less digits than its factorization.

32130825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428424 (or 428419 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 32130825 is about 5668.4058605573. The cubic root of 32130825 is about 317.9122715954.

Adding to 32130825 its reverse (52803123), we get a palindrome (84933948).

The spelling of 32130825 in words is "thirty-two million, one hundred thirty thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 428411 1285233 2142055 6426165 10710275 32130825