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54843740 = 22572191293
BaseRepresentation
bin1101000100110…
…1100101011100
310211012100110122
43101031211130
5103014444430
65235254112
71234110200
oct321154534
9124170418
1054843740
1128a59a06
121644a338
13b493023
1473d8b00
154c34ee5
hex344d95c

54843740 has 72 divisors (see below), whose sum is σ = 135136512. Its totient is φ = 18641280.

The previous prime is 54843673. The next prime is 54843749. The reversal of 54843740 is 4734845.

54843740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 54843740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54843749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187034 + ... + 187326.

It is an arithmetic number, because the mean of its divisors is an integer number (1876896).

Almost surely, 254843740 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 54843740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67568256).

54843740 is an abundant number, since it is smaller than the sum of its proper divisors (80292772).

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

54843740 is a wasteful number, since it uses less digits than its factorization.

54843740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 54843740 is about 7405.6559466397. The cubic root of 54843740 is about 379.9347533406.

The spelling of 54843740 in words is "fifty-four million, eight hundred forty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 191 196 245 293 382 490 586 764 955 980 1172 1337 1465 1910 2051 2674 2930 3820 4102 5348 5860 6685 8204 9359 10255 13370 14357 18718 20510 26740 28714 37436 41020 46795 55963 57428 71785 93590 111926 143570 187180 223852 279815 287140 391741 559630 783482 1119260 1566964 1958705 2742187 3917410 5484374 7834820 10968748 13710935 27421870 54843740