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53750257 = 112795623
BaseRepresentation
bin1100110100001…
…0100111110001
310202010210111021
43031002213301
5102230002012
65200015441
71221604201
oct315024761
9122123437
1053750257
1128382400
1216001581
13b19c3b2
1471d2401
154abb007
hex33429f1

53750257 has 12 divisors (see below), whose sum is σ = 59839360. Its totient is φ = 48236760.

The previous prime is 53750237. The next prime is 53750267. The reversal of 53750257 is 75205735.

53750257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-53750257 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53750237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6748 + ... + 12370.

Almost surely, 253750257 is an apocalyptic number.

It is an amenable number.

53750257 is a deficient number, since it is larger than the sum of its proper divisors (6089103).

53750257 is a wasteful number, since it uses less digits than its factorization.

53750257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724 (or 5713 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 53750257 is about 7331.4566765412. The cubic root of 53750257 is about 377.3927172004.

The spelling of 53750257 in words is "fifty-three million, seven hundred fifty thousand, two hundred fifty-seven".

Divisors: 1 11 79 121 869 5623 9559 61853 444217 680383 4886387 53750257