Search a number
-
+
225214541 = 1032121821
BaseRepresentation
bin11010110110010…
…00000001001101
3120200210002021022
431123020001031
5430123331131
634203043525
75403202106
oct1533100115
9520702238
10225214541
11106145022
12635105a5
1337875056
1421ca73ad
1514b8a37b
hexd6c804d

225214541 has 4 divisors (see below), whose sum is σ = 225246684. Its totient is φ = 225182400.

The previous prime is 225214531. The next prime is 225214631. The reversal of 225214541 is 145412522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 145412522 = 272706261.

It can be written as a sum of positive squares in 2 ways, for example, as 130074025 + 95140516 = 11405^2 + 9754^2 .

It is a cyclic number.

It is not a de Polignac number, because 225214541 - 214 = 225198157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225214541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225214511) 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, 590 + ... + 21231.

It is an arithmetic number, because the mean of its divisors is an integer number (56311671).

Almost surely, 2225214541 is an apocalyptic number.

It is an amenable number.

225214541 is a deficient number, since it is larger than the sum of its proper divisors (32143).

225214541 is a wasteful number, since it uses less digits than its factorization.

225214541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32142.

The product of its digits is 3200, while the sum is 26.

The square root of 225214541 is about 15007.1496627441. The cubic root of 225214541 is about 608.4134539538.

The spelling of 225214541 in words is "two hundred twenty-five million, two hundred fourteen thousand, five hundred forty-one".

Divisors: 1 10321 21821 225214541