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2212896 = 25373789
BaseRepresentation
bin1000011100010000100000
311011102112010
420130100200
51031303041
6115232520
724544410
oct10342040
94142463
102212896
111281644
128a8740
135c630a
14418640
152daa16
hex21c420

2212896 has 96 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 608256.

The previous prime is 2212891. The next prime is 2212921. The reversal of 2212896 is 6982122.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (2212891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24820 + ... + 24908.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

22212896 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 2212896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447360).

2212896 is an abundant number, since it is smaller than the sum of its proper divisors (4681824).

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

2212896 is a wasteful number, since it uses less digits than its factorization.

2212896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 138 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 2212896 is about 1487.5805860524. The cubic root of 2212896 is about 130.3127774321.

The spelling of 2212896 in words is "two million, two hundred twelve thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 42 48 56 74 84 89 96 111 112 148 168 178 222 224 259 267 296 336 356 444 518 534 592 623 672 712 777 888 1036 1068 1184 1246 1424 1554 1776 1869 2072 2136 2492 2848 3108 3293 3552 3738 4144 4272 4984 6216 6586 7476 8288 8544 9879 9968 12432 13172 14952 19758 19936 23051 24864 26344 29904 39516 46102 52688 59808 69153 79032 92204 105376 138306 158064 184408 276612 316128 368816 553224 737632 1106448 2212896