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53195741 = 128941269
BaseRepresentation
bin1100101011101…
…1001111011101
310201002121211122
43022323033131
5102104230431
65140100325
71214104424
oct312731735
9121077748
1053195741
1128033825
12159946a5
13b036b91
1470ca2bb
154a0ba7b
hex32bb3dd

53195741 has 4 divisors (see below), whose sum is σ = 53238300. Its totient is φ = 53153184.

The previous prime is 53195707. The next prime is 53195743. The reversal of 53195741 is 14759135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14759135 = 52951827.

It can be written as a sum of positive squares in 2 ways, for example, as 17255716 + 35940025 = 4154^2 + 5995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53195741 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 (53195743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19346 + ... + 21923.

It is an arithmetic number, because the mean of its divisors is an integer number (13309575).

Almost surely, 253195741 is an apocalyptic number.

It is an amenable number.

53195741 is a deficient number, since it is larger than the sum of its proper divisors (42559).

53195741 is a wasteful number, since it uses less digits than its factorization.

53195741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42558.

The product of its digits is 18900, while the sum is 35.

The square root of 53195741 is about 7293.5410467070. The cubic root of 53195741 is about 376.0904344303.

The spelling of 53195741 in words is "fifty-three million, one hundred ninety-five thousand, seven hundred forty-one".

Divisors: 1 1289 41269 53195741