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54348221 = 193379743
BaseRepresentation
bin1100111101010…
…0100110111101
310210021011202002
43033110212331
5102403120341
65220512045
71226644424
oct317244675
9123234662
1054348221
1128750694
121624b625
13b34b615
14730a2bb
154b8829b
hex33d49bd

54348221 has 8 divisors (see below), whose sum is σ = 54847680. Its totient is φ = 53851392.

The previous prime is 54348209. The next prime is 54348223. The reversal of 54348221 is 12284345.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54348221 - 210 = 54347197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54348223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72776 + ... + 73518.

It is an arithmetic number, because the mean of its divisors is an integer number (6855960).

Almost surely, 254348221 is an apocalyptic number.

It is an amenable number.

54348221 is a deficient number, since it is larger than the sum of its proper divisors (499459).

54348221 is a wasteful number, since it uses less digits than its factorization.

54348221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315.

The product of its digits is 7680, while the sum is 29.

The square root of 54348221 is about 7372.1245920020. The cubic root of 54348221 is about 378.7870395506.

The spelling of 54348221 in words is "fifty-four million, three hundred forty-eight thousand, two hundred twenty-one".

Divisors: 1 193 379 743 73147 143399 281597 54348221