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52944161 = 411291321
BaseRepresentation
bin1100100111110…
…1110100100001
310200121211201212
43021331310201
5102023203121
65130435505
71212006104
oct311756441
9120554655
1052944161
1127981806
1215892b95
13ac7950a
14706273b
1549ac25b
hex327dd21

52944161 has 4 divisors (see below), whose sum is σ = 54235524. Its totient is φ = 51652800.

The previous prime is 52944139. The next prime is 52944167. The reversal of 52944161 is 16144925.

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 4558225 + 48385936 = 2135^2 + 6956^2 .

It is a cyclic number.

It is not a de Polignac number, because 52944161 - 26 = 52944097 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 (52944167) 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, 645620 + ... + 645701.

It is an arithmetic number, because the mean of its divisors is an integer number (13558881).

Almost surely, 252944161 is an apocalyptic number.

It is an amenable number.

52944161 is a deficient number, since it is larger than the sum of its proper divisors (1291363).

52944161 is a wasteful number, since it uses less digits than its factorization.

52944161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291362.

The product of its digits is 8640, while the sum is 32.

The square root of 52944161 is about 7276.2738403664. The cubic root of 52944161 is about 375.4966125641.

The spelling of 52944161 in words is "fifty-two million, nine hundred forty-four thousand, one hundred sixty-one".

Divisors: 1 41 1291321 52944161