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3130531252 = 228310938627
BaseRepresentation
bin1011101010011000…
…0001110110110100
322002011122110112221
42322212001312310
522402404000002
61234350052124
7140402035162
oct27246016664
98064573487
103130531252
111367115512
127344aa044
133ab757a74
14219aa4232
15134c79c37
hexba981db4

3130531252 has 24 divisors (see below), whose sum is σ = 5550150816. Its totient is φ = 1544813088.

The previous prime is 3130531247. The next prime is 3130531253. The reversal of 3130531252 is 2521350313.

3130531252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130531253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358563 + ... + 367189.

It is an arithmetic number, because the mean of its divisors is an integer number (231256284).

Almost surely, 23130531252 is an apocalyptic number.

It is an amenable number.

3130531252 is a deficient number, since it is larger than the sum of its proper divisors (2419619564).

3130531252 is a wasteful number, since it uses less digits than its factorization.

3130531252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9807 (or 9805 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 3130531252 is about 55951.1505869182. The cubic root of 3130531252 is about 1462.8709462253.

Adding to 3130531252 its reverse (2521350313), we get a palindrome (5651881565).

The spelling of 3130531252 in words is "three billion, one hundred thirty million, five hundred thirty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 83 166 332 1093 2186 4372 8627 17254 34508 90719 181438 362876 716041 1432082 2864164 9429311 18858622 37717244 782632813 1565265626 3130531252