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2057700228 = 22319127179397
BaseRepresentation
bin111101010100110…
…0000001110000100
312022101221000001120
41322221200032010
513203232401403
6540103353540
7101664110013
oct17251401604
95271830046
102057700228
11966577701
124951528b0
1326a3ca5cc
141573d8a7a
15c09ade53
hex7aa60384

2057700228 has 96 divisors (see below), whose sum is σ = 5135155200. Its totient is φ = 639467136.

The previous prime is 2057700223. The next prime is 2057700269. The reversal of 2057700228 is 8220077502.

It is a super-2 number, since 2×20577002282 = 8468260456622503968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2057700223) 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 31 ways as a sum of consecutive naturals, for example, 5182926 + ... + 5183322.

It is an arithmetic number, because the mean of its divisors is an integer number (53491200).

Almost surely, 22057700228 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 2057700228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2567577600).

2057700228 is an abundant number, since it is smaller than the sum of its proper divisors (3077454972).

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

2057700228 is a wasteful number, since it uses less digits than its factorization.

2057700228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 2057700228 is about 45361.8807811140. The cubic root of 2057700228 is about 1271.9226521339.

It can be divided in two parts, 2057700 and 228, that multiplied together give a square (469155600 = 216602).

The spelling of 2057700228 in words is "two billion, fifty-seven million, seven hundred thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 127 179 228 254 358 381 397 508 537 716 762 794 1074 1191 1524 1588 2148 2382 2413 3401 4764 4826 6802 7239 7543 9652 10203 13604 14478 15086 20406 22629 22733 28956 30172 40812 45258 45466 50419 68199 71063 90516 90932 100838 136398 142126 151257 201676 213189 272796 284252 302514 426378 431927 605028 852756 863854 957961 1295781 1350197 1727708 1915922 2591562 2700394 2873883 3831844 4050591 5183124 5400788 5747766 8101182 9025001 11495532 16202364 18050002 27075003 36100004 54150006 108300012 171475019 342950038 514425057 685900076 1028850114 2057700228