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2685312 = 2734737
BaseRepresentation
bin1010001111100110000000
312001102120000
422033212000
51141412222
6133320000
731552620
oct12174600
95042500
102685312
111574573
12a96000
13730356
144dc880
153809ac
hex28f980

2685312 has 160 divisors (see below), whose sum is σ = 9379920. Its totient is φ = 746496.

The previous prime is 2685311. The next prime is 2685323. The reversal of 2685312 is 2135862.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72558 + ... + 72594.

22685312 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 2685312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4689960).

2685312 is an abundant number, since it is smaller than the sum of its proper divisors (6694608).

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

2685312 is an equidigital number, since it uses as much as digits as its factorization.

2685312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 49 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2685312 is about 1638.6921614507. The cubic root of 2685312 is about 138.9947033159.

The spelling of 2685312 in words is "two million, six hundred eighty-five thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 37 42 48 54 56 63 64 72 74 81 84 96 108 111 112 126 128 144 148 162 168 189 192 216 222 224 252 259 288 296 324 333 336 378 384 432 444 448 504 518 567 576 592 648 666 672 756 777 864 888 896 999 1008 1036 1134 1152 1184 1296 1332 1344 1512 1554 1728 1776 1998 2016 2072 2268 2331 2368 2592 2664 2688 2997 3024 3108 3456 3552 3996 4032 4144 4536 4662 4736 5184 5328 5994 6048 6216 6993 7104 7992 8064 8288 9072 9324 10368 10656 11988 12096 12432 13986 14208 15984 16576 18144 18648 20979 21312 23976 24192 24864 27972 31968 33152 36288 37296 41958 42624 47952 49728 55944 63936 72576 74592 83916 95904 99456 111888 127872 149184 167832 191808 223776 298368 335664 383616 447552 671328 895104 1342656 2685312