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53130052 = 2213282513
BaseRepresentation
bin1100101010101…
…1001101000100
310200222021201201
43022223031010
5102100130202
65134432244
71213412053
oct312531504
9120867651
1053130052
1127a99438
1215962684
13b013001
1470b039a
1549e7387
hex32ab344

53130052 has 6 divisors (see below), whose sum is σ = 92977598. Its totient is φ = 26565024.

The previous prime is 53130041. The next prime is 53130053. The reversal of 53130052 is 25003135.

It can be written as a sum of positive squares in only one way, i.e., 39112516 + 14017536 = 6254^2 + 3744^2 .

It is not an unprimeable number, because it can be changed into a prime (53130053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6641253 + ... + 6641260.

Almost surely, 253130052 is an apocalyptic number.

It is an amenable number.

53130052 is a deficient number, since it is larger than the sum of its proper divisors (39847546).

53130052 is a wasteful number, since it uses less digits than its factorization.

53130052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282517 (or 13282515 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53130052 is about 7289.0364246586. The cubic root of 53130052 is about 375.9355650109.

Adding to 53130052 its reverse (25003135), we get a palindrome (78133187).

The spelling of 53130052 in words is "fifty-three million, one hundred thirty thousand, fifty-two".

Divisors: 1 2 4 13282513 26565026 53130052