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53953129 = 79682951
BaseRepresentation
bin1100110111010…
…0001001101001
310202112002210001
43031310021221
5102303000004
65204223001
71223410516
oct315641151
9122462701
1053953129
112850086a
121609aa61
13b240839
14724630d
154b0b1a4
hex3374269

53953129 has 4 divisors (see below), whose sum is σ = 54636160. Its totient is φ = 53270100.

The previous prime is 53953111. The next prime is 53953153. The reversal of 53953129 is 92135935.

53953129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53953129 - 27 = 53953001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53953169) 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 3 ways as a sum of consecutive naturals, for example, 341397 + ... + 341554.

It is an arithmetic number, because the mean of its divisors is an integer number (13659040).

Almost surely, 253953129 is an apocalyptic number.

It is an amenable number.

53953129 is a deficient number, since it is larger than the sum of its proper divisors (683031).

53953129 is an equidigital number, since it uses as much as digits as its factorization.

53953129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683030.

The product of its digits is 36450, while the sum is 37.

The square root of 53953129 is about 7345.2793684107. The cubic root of 53953129 is about 377.8669244988.

It can be divided in two parts, 5395 and 3129, that multiplied together give a triangular number (16880955 = T5810).

The spelling of 53953129 in words is "fifty-three million, nine hundred fifty-three thousand, one hundred twenty-nine".

Divisors: 1 79 682951 53953129