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2545227256 = 2311213257787
BaseRepresentation
bin1001011110110101…
…0001010111111000
320120101021221102011
42113231101113320
520203034233011
61100321015304
7120034034425
oct22755212770
96511257364
102545227256
111096794a00
125b0484534
13317406340
141a2064d4c
15ed6b1621
hex97b515f8

2545227256 has 96 divisors (see below), whose sum is σ = 5678280720. Its totient is φ = 1062420480.

The previous prime is 2545227247. The next prime is 2545227263. The reversal of 2545227256 is 6527225452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3233695 + ... + 3234481.

Almost surely, 22545227256 is an apocalyptic number.

2545227256 is a gapful number since it is divisible by the number (26) 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 2545227256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839140360).

2545227256 is an abundant number, since it is smaller than the sum of its proper divisors (3133053464).

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

2545227256 is a wasteful number, since it uses less digits than its factorization.

2545227256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1070 counting only the distinct ones).

The product of its digits is 336000, while the sum is 40.

The square root of 2545227256 is about 50450.2453512369. The cubic root of 2545227256 is about 1365.3443215334.

The spelling of 2545227256 in words is "two billion, five hundred forty-five million, two hundred twenty-seven thousand, two hundred fifty-six".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 121 143 242 257 286 484 514 572 787 968 1028 1144 1573 1574 2056 2827 3146 3148 3341 5654 6292 6296 6682 8657 10231 11308 12584 13364 17314 20462 22616 26728 31097 34628 36751 40924 62194 69256 73502 81848 95227 112541 124388 147004 190454 202259 225082 248776 294008 380908 404261 404518 450164 761816 808522 809036 900328 1237951 1617044 1618072 2224849 2475902 2629367 3234088 4449698 4951804 5258734 8899396 9903608 10517468 17798792 21034936 24473339 28923037 48946678 57846074 97893356 115692148 195786712 231384296 318153407 636306814 1272613628 2545227256