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545255412 = 2231322915263
BaseRepresentation
bin100000011111111…
…110111111110100
31101222222211210220
4200133332333310
52104041133122
6130034414340
716340410632
oct4037767764
91358884726
10545255412
1125a867509
121327313b0
1388c6ba50
14525b6352
1532d0725c
hex207feff4

545255412 has 48 divisors (see below), whose sum is σ = 1376202240. Its totient is φ = 167027328.

The previous prime is 545255401. The next prime is 545255429. The reversal of 545255412 is 214552545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28093 + ... + 43355.

It is an arithmetic number, because the mean of its divisors is an integer number (28670880).

Almost surely, 2545255412 is an apocalyptic number.

545255412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545255412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688101120).

545255412 is an abundant number, since it is smaller than the sum of its proper divisors (830946828).

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

545255412 is a wasteful number, since it uses less digits than its factorization.

545255412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15512 (or 15510 counting only the distinct ones).

The product of its digits is 40000, while the sum is 33.

The square root of 545255412 is about 23350.7047431121. The cubic root of 545255412 is about 816.9584985813.

The spelling of 545255412 in words is "five hundred forty-five million, two hundred fifty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 229 458 687 916 1374 2748 2977 5954 8931 11908 15263 17862 30526 35724 45789 61052 91578 183156 198419 396838 595257 793676 1190514 2381028 3495227 6990454 10485681 13980908 20971362 41942724 45437951 90875902 136313853 181751804 272627706 545255412