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20325452 = 227725909
BaseRepresentation
bin100110110001…
…0010001001100
31102020122021112
41031202101030
520200403302
62003351152
7334522610
oct115422114
942218245
1020325452
11105228a4
1269824b8
1342985c4
1429b1340
151bb7552
hex136244c

20325452 has 12 divisors (see below), whose sum is σ = 40650960. Its totient is φ = 8710896.

The previous prime is 20325451. The next prime is 20325493. The reversal of 20325452 is 25452302.

20325452 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20325451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362927 + ... + 362982.

It is an arithmetic number, because the mean of its divisors is an integer number (3387580).

Almost surely, 220325452 is an apocalyptic number.

It is an amenable number.

20325452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20325452 is a wasteful number, since it uses less digits than its factorization.

20325452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725920 (or 725918 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 20325452 is about 4508.3757607369. The cubic root of 20325452 is about 272.9062011435.

Adding to 20325452 its reverse (25452302), we get a palindrome (45777754).

The spelling of 20325452 in words is "twenty million, three hundred twenty-five thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 725909 1451818 2903636 5081363 10162726 20325452