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52541409 = 317513803
BaseRepresentation
bin1100100001101…
…1011111100001
310122212101021010
43020123133201
5101422311114
65114051133
71205410644
oct310333741
9118771233
1052541409
1127727158
1215719aa9
13ab680bb
146d99a5b
15492cc59
hex321b7e1

52541409 has 4 divisors (see below), whose sum is σ = 70055216. Its totient is φ = 35027604.

The previous prime is 52541393. The next prime is 52541413. The reversal of 52541409 is 90414525.

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 not a de Polignac number, because 52541409 - 24 = 52541393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52541009) 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, 8756899 + ... + 8756904.

It is an arithmetic number, because the mean of its divisors is an integer number (17513804).

Almost surely, 252541409 is an apocalyptic number.

It is an amenable number.

52541409 is a deficient number, since it is larger than the sum of its proper divisors (17513807).

52541409 is a wasteful number, since it uses less digits than its factorization.

52541409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513806.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 52541409 is about 7248.5453023348. The cubic root of 52541409 is about 374.5420400660.

The spelling of 52541409 in words is "fifty-two million, five hundred forty-one thousand, four hundred nine".

Divisors: 1 3 17513803 52541409