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54638208 = 2732431103
BaseRepresentation
bin1101000001101…
…1011010000000
310210210220112100
43100123122000
5102441410313
65231030400
71232263032
oct320333200
9123726470
1054638208
1128929549
121636b400
13b420601
147383c52
154be4173
hex341b680

54638208 has 96 divisors (see below), whose sum is σ = 161029440. Its totient is φ = 17773056.

The previous prime is 54638201. The next prime is 54638209. The reversal of 54638208 is 80283645.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (54638201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48985 + ... + 50087.

It is an arithmetic number, because the mean of its divisors is an integer number (1677390).

Almost surely, 254638208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54638208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80514720).

54638208 is an abundant number, since it is smaller than the sum of its proper divisors (106391232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54638208 is a wasteful number, since it uses less digits than its factorization.

54638208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 54638208 is about 7391.7662300698. The cubic root of 54638208 is about 379.4595456469.

The spelling of 54638208 in words is "fifty-four million, six hundred thirty-eight thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 64 72 86 96 128 129 144 172 192 258 288 344 384 387 516 576 688 774 1032 1103 1152 1376 1548 2064 2206 2752 3096 3309 4128 4412 5504 6192 6618 8256 8824 9927 12384 13236 16512 17648 19854 24768 26472 35296 39708 47429 49536 52944 70592 79416 94858 105888 141184 142287 158832 189716 211776 284574 317664 379432 423552 426861 569148 635328 758864 853722 1138296 1270656 1517728 1707444 2276592 3035456 3414888 4553184 6070912 6829776 9106368 13659552 18212736 27319104 54638208