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2857034256 = 2431916691877
BaseRepresentation
bin1010101001001010…
…1110001000010000
321101010000101012120
42222102232020100
521322400044011
61151300054240
7130541250636
oct25222561020
97333011176
102857034256
1112367a313a
12678994380
13366ba931b
141d162d356
1511ac53a06
hexaa4ae210

2857034256 has 80 divisors (see below), whose sum is σ = 7777924800. Its totient is φ = 901200384.

The previous prime is 2857034239. The next prime is 2857034281. The reversal of 2857034256 is 6524307582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521190 + ... + 1523066.

It is an arithmetic number, because the mean of its divisors is an integer number (97224060).

Almost surely, 22857034256 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 2857034256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3888962400).

2857034256 is an abundant number, since it is smaller than the sum of its proper divisors (4920890544).

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

2857034256 is a wasteful number, since it uses less digits than its factorization.

2857034256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576 (or 3570 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2857034256 is about 53451.2325021603. The cubic root of 2857034256 is about 1418.9654330336.

It can be divided in two parts, 28570 and 34256, that added together give a palindrome (62826).

The spelling of 2857034256 in words is "two billion, eight hundred fifty-seven million, thirty-four thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 1669 1877 3338 3754 5007 5631 6676 7508 10014 11262 13352 15016 20028 22524 26704 30032 31711 35663 40056 45048 63422 71326 80112 90096 95133 106989 126844 142652 190266 213978 253688 285304 380532 427956 507376 570608 761064 855912 1522128 1711824 3132713 6265426 9398139 12530852 18796278 25061704 37592556 50123408 59521547 75185112 119043094 150370224 178564641 238086188 357129282 476172376 714258564 952344752 1428517128 2857034256