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52905253 = 1912372251
BaseRepresentation
bin1100100111010…
…0010100100101
310200112212100211
43021310110211
5102020432003
65125535421
71211454502
oct311642445
9120485324
1052905253
1127955555
1215874571
13ac648ab
1470524a9
1549a096d
hex3274525

52905253 has 8 divisors (see below), whose sum is σ = 55759520. Its totient is φ = 50058000.

The previous prime is 52905247. The next prime is 52905269. The reversal of 52905253 is 35250925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52905253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52905233) 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, 22378 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (6969940).

Almost surely, 252905253 is an apocalyptic number.

It is an amenable number.

52905253 is a deficient number, since it is larger than the sum of its proper divisors (2854267).

52905253 is a wasteful number, since it uses less digits than its factorization.

52905253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 52905253 is about 7273.5997277827. The cubic root of 52905253 is about 375.4046074387.

The spelling of 52905253 in words is "fifty-two million, nine hundred five thousand, two hundred fifty-three".

Divisors: 1 19 1237 2251 23503 42769 2784487 52905253