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224540153 = 1131987081
BaseRepresentation
bin11010110001000…
…11010111111001
3120122111211011222
431120203113321
5424440241103
634140401425
75364363005
oct1530432771
9518454158
10224540153
11105824382
1263246275
133769a0c6
1421b6d705
1514aa5638
hexd6235f9

224540153 has 4 divisors (see below), whose sum is σ = 226527348. Its totient is φ = 222552960.

The previous prime is 224540143. The next prime is 224540167. The reversal of 224540153 is 351045422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16949689 + 207590464 = 4117^2 + 14408^2 .

It is a cyclic number.

It is not a de Polignac number, because 224540153 - 24 = 224540137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224540143) 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, 993428 + ... + 993653.

It is an arithmetic number, because the mean of its divisors is an integer number (56631837).

Almost surely, 2224540153 is an apocalyptic number.

It is an amenable number.

224540153 is a deficient number, since it is larger than the sum of its proper divisors (1987195).

224540153 is a wasteful number, since it uses less digits than its factorization.

224540153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987194.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 224540153 is about 14984.6639268287. The cubic root of 224540153 is about 607.8055640170.

Adding to 224540153 its reverse (351045422), we get a palindrome (575585575).

The spelling of 224540153 in words is "two hundred twenty-four million, five hundred forty thousand, one hundred fifty-three".

Divisors: 1 113 1987081 224540153