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897887060 = 225747612237
BaseRepresentation
bin110101100001001…
…010101101010100
32022120112101111022
4311201022231110
53314324341220
6225032500312
731151625350
oct6541125524
92276471438
10897887060
11420919924
1221084a698
13114036a25
148736a460
1553c60925
hex3584ab54

897887060 has 96 divisors (see below), whose sum is σ = 2237856768. Its totient is φ = 296225280.

The previous prime is 897887027. The next prime is 897887083. The reversal of 897887060 is 60788798.

It is a super-3 number, since 3×8978870603 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 897886993 and 897887011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400262 + ... + 402498.

It is an arithmetic number, because the mean of its divisors is an integer number (23311008).

Almost surely, 2897887060 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 897887060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118928384).

897887060 is an abundant number, since it is smaller than the sum of its proper divisors (1339969708).

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

897887060 is a wasteful number, since it uses less digits than its factorization.

897887060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 897887060 is about 29964.7636399822. The cubic root of 897887060 is about 964.7332291664.

The spelling of 897887060 in words is "eight hundred ninety-seven million, eight hundred eighty-seven thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 47 61 70 94 122 140 188 235 244 305 329 427 470 610 658 854 940 1220 1316 1645 1708 2135 2237 2867 3290 4270 4474 5734 6580 8540 8948 11185 11468 14335 15659 20069 22370 28670 31318 40138 44740 57340 62636 78295 80276 100345 105139 136457 156590 200690 210278 272914 313180 401380 420556 525695 545828 682285 735973 955199 1051390 1364570 1471946 1910398 2102780 2729140 2943892 3679865 3820796 4775995 6413479 7359730 9551990 12826958 14719460 19103980 25653916 32067395 44894353 64134790 89788706 128269580 179577412 224471765 448943530 897887060