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54843492 = 223112107353
BaseRepresentation
bin1101000100110…
…1100001100100
310211012100010110
43101031201210
5103014442432
65235253020
71234106364
oct321154144
9124170113
1054843492
1128a59800
121644a170
13b492b92
1473d89a4
154c34dcc
hex344d864

54843492 has 72 divisors (see below), whose sum is σ = 142375968. Its totient is φ = 16417280.

The previous prime is 54843463. The next prime is 54843493. The reversal of 54843492 is 29434845.

It is a super-2 number, since 2×548434922 = 6015617229508128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54843492.

It is not an unprimeable number, because it can be changed into a prime (54843493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155188 + ... + 155540.

It is an arithmetic number, because the mean of its divisors is an integer number (1977444).

Almost surely, 254843492 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 54843492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71187984).

54843492 is an abundant number, since it is smaller than the sum of its proper divisors (87532476).

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

54843492 is a wasteful number, since it uses less digits than its factorization.

54843492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 476 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 54843492 is about 7405.6392026617. The cubic root of 54843492 is about 379.9341806593.

The spelling of 54843492 in words is "fifty-four million, eight hundred forty-three thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 107 121 132 214 242 321 353 363 428 484 642 706 726 1059 1177 1284 1412 1452 2118 2354 3531 3883 4236 4708 7062 7766 11649 12947 14124 15532 23298 25894 37771 38841 42713 46596 51788 75542 77682 85426 113313 128139 151084 155364 170852 226626 256278 415481 453252 512556 830962 1246443 1661924 2492886 4570291 4985772 9140582 13710873 18281164 27421746 54843492