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54138196 = 2272936599
BaseRepresentation
bin1100111010000…
…1010101010100
310202212111122101
43032201111110
5102324410241
65212211444
71225111210
oct316412524
9122774571
1054138196
1128617912
1216169b84
13b2a6b48
147293940
154b45e31
hex33a1554

54138196 has 24 divisors (see below), whose sum is σ = 108662400. Its totient is φ = 23119392.

The previous prime is 54138193. The next prime is 54138197. The reversal of 54138196 is 69183145.

It is a super-2 number, since 2×541381962 = 5861888532268832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54138191) 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, 4905 + ... + 11503.

It is an arithmetic number, because the mean of its divisors is an integer number (4527600).

Almost surely, 254138196 is an apocalyptic number.

It is an amenable number.

54138196 is an abundant number, since it is smaller than the sum of its proper divisors (54524204).

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

54138196 is a wasteful number, since it uses less digits than its factorization.

54138196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903 (or 6901 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 54138196 is about 7357.8662667923. The cubic root of 54138196 is about 378.2984774286.

The spelling of 54138196 in words is "fifty-four million, one hundred thirty-eight thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 28 293 586 1172 2051 4102 6599 8204 13198 26396 46193 92386 184772 1933507 3867014 7734028 13534549 27069098 54138196