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54543245 = 510908649
BaseRepresentation
bin1101000000010…
…0001110001101
310210122002021012
43100010032031
5102430340440
65225015005
71231416131
oct320041615
9123562235
1054543245
1128874169
1216324465
13b3b9313
14735b3c1
154bc5e65
hex340438d

54543245 has 4 divisors (see below), whose sum is σ = 65451900. Its totient is φ = 43634592.

The previous prime is 54543241. The next prime is 54543253. The reversal of 54543245 is 54234545.

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 23785129 + 30758116 = 4877^2 + 5546^2 .

It is a cyclic number.

It is not a de Polignac number, because 54543245 - 22 = 54543241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54543241) 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, 5454320 + ... + 5454329.

It is an arithmetic number, because the mean of its divisors is an integer number (16362975).

Almost surely, 254543245 is an apocalyptic number.

It is an amenable number.

54543245 is a deficient number, since it is larger than the sum of its proper divisors (10908655).

54543245 is a wasteful number, since it uses less digits than its factorization.

54543245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908654.

The product of its digits is 48000, while the sum is 32.

The square root of 54543245 is about 7385.3398703106. The cubic root of 54543245 is about 379.2395804444.

The spelling of 54543245 in words is "fifty-four million, five hundred forty-three thousand, two hundred forty-five".

Divisors: 1 5 10908649 54543245