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53419913 = 311723223
BaseRepresentation
bin1100101111000…
…1111110001001
310201112000100022
43023301332021
5102133414123
65144550225
71216030121
oct313617611
9121460308
1053419913
1128177198
1215a82375
13b0b4c21
147147c81
154a531c8
hex32f1f89

53419913 has 4 divisors (see below), whose sum is σ = 55143168. Its totient is φ = 51696660.

The previous prime is 53419909. The next prime is 53419921. The reversal of 53419913 is 31991435.

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 53419913 - 22 = 53419909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53410913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861581 + ... + 861642.

It is an arithmetic number, because the mean of its divisors is an integer number (13785792).

Almost surely, 253419913 is an apocalyptic number.

It is an amenable number.

53419913 is a deficient number, since it is larger than the sum of its proper divisors (1723255).

53419913 is a wasteful number, since it uses less digits than its factorization.

53419913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723254.

The product of its digits is 14580, while the sum is 35.

The square root of 53419913 is about 7308.8927341972. The cubic root of 53419913 is about 376.6179878965.

The spelling of 53419913 in words is "fifty-three million, four hundred nineteen thousand, nine hundred thirteen".

Divisors: 1 31 1723223 53419913