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2052581286 = 2374197499
BaseRepresentation
bin111101001010111…
…1110011110100110
312022001021221012010
41322111332132212
513200430100121
6535401535050
7101602440000
oct17225763646
95261257163
102052581286
119636a0778
124934a4486
13269327652
14156865370
15c02ec376
hex7a57e7a6

2052581286 has 80 divisors (see below), whose sum is σ = 5041800000. Its totient is φ = 555511824.

The previous prime is 2052581261. The next prime is 2052581299. The reversal of 2052581286 is 6821852502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 269965 + ... + 277463.

It is an arithmetic number, because the mean of its divisors is an integer number (63022500).

Almost surely, 22052581286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2052581286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520900000).

2052581286 is an abundant number, since it is smaller than the sum of its proper divisors (2989218714).

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

2052581286 is an equidigital number, since it uses as much as digits as its factorization.

2052581286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551 (or 7530 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 2052581286 is about 45305.4222582684. The cubic root of 2052581286 is about 1270.8670554171.

The spelling of 2052581286 in words is "two billion, fifty-two million, five hundred eighty-one thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 343 399 686 798 931 1029 1862 2058 2401 2793 4802 5586 6517 7203 7499 13034 14406 14998 19551 22497 39102 44994 45619 52493 91238 104986 136857 142481 157479 273714 284962 314958 367451 427443 734902 854886 997367 1102353 1994734 2204706 2572157 2992101 5144314 5984202 6981569 7716471 13963138 15432942 18005099 20944707 36010198 41889414 48870983 54015297 97741966 108030594 146612949 293225898 342096881 684193762 1026290643 2052581286