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545552260 = 2251131167479
BaseRepresentation
bin100000100001000…
…111011110000100
31102000112221000021
4200201013132010
52104130133020
6130045024524
716343055241
oct4041073604
91360487007
10545552260
1125aa4a540
12132855144
1389043bb6
14526525c8
1532d651aa
hex20847784

545552260 has 96 divisors (see below), whose sum is σ = 1300561920. Its totient is φ = 190435200.

The previous prime is 545552237. The next prime is 545552261. The reversal of 545552260 is 62255545.

It is a super-2 number, since 2×5455522602 = 595254536782215200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545552261) 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 31 ways as a sum of consecutive naturals, for example, 1138701 + ... + 1139179.

It is an arithmetic number, because the mean of its divisors is an integer number (13547520).

Almost surely, 2545552260 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 545552260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650280960).

545552260 is an abundant number, since it is smaller than the sum of its proper divisors (755009660).

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

545552260 is a wasteful number, since it uses less digits than its factorization.

545552260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 545552260 is about 23357.0601746025. The cubic root of 545552260 is about 817.1067278911.

The spelling of 545552260 in words is "five hundred forty-five million, five hundred fifty-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 110 124 155 167 220 310 334 341 479 620 668 682 835 958 1364 1670 1705 1837 1916 2395 3340 3410 3674 4790 5177 5269 6820 7348 9185 9580 10354 10538 14849 18370 20708 21076 25885 26345 29698 36740 51770 52690 56947 59396 74245 79993 103540 105380 113894 148490 159986 163339 227788 284735 296980 319972 326678 399965 569470 653356 799930 816695 879923 1138940 1599860 1633390 1759846 2479783 3266780 3519692 4399615 4959566 8799230 9919132 12398915 17598460 24797830 27277613 49595660 54555226 109110452 136388065 272776130 545552260