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54345249 = 35743743
BaseRepresentation
bin1100111101001…
…1111000100001
310210021000200000
43033103320201
5102403021444
65220450213
71226632650
oct317237041
9123230600
1054345249
1128749432
1216249969
13b34a16a
147309197
154b87469
hex33d3e21

54345249 has 48 divisors (see below), whose sum is σ = 95327232. Its totient is φ = 30291408.

The previous prime is 54345229. The next prime is 54345271. The reversal of 54345249 is 94254345.

It is a happy number.

It is not a de Polignac number, because 54345249 - 213 = 54337057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54345229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72772 + ... + 73514.

It is an arithmetic number, because the mean of its divisors is an integer number (1985984).

Almost surely, 254345249 is an apocalyptic number.

It is an amenable number.

54345249 is a deficient number, since it is larger than the sum of its proper divisors (40981983).

54345249 is an equidigital number, since it uses as much as digits as its factorization.

54345249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 796 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 54345249 is about 7371.9230191314. The cubic root of 54345249 is about 378.7801348437.

The spelling of 54345249 in words is "fifty-four million, three hundred forty-five thousand, two hundred forty-nine".

Divisors: 1 3 7 9 21 27 43 63 81 129 189 243 301 387 567 743 903 1161 1701 2229 2709 3483 5201 6687 8127 10449 15603 20061 24381 31949 46809 60183 73143 95847 140427 180549 223643 287541 421281 670929 862623 1263843 2012787 2587869 6038361 7763607 18115083 54345249