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2081328 = 243131331
BaseRepresentation
bin111111100001000110000
310220202001020
413330020300
51013100303
6112335440
723456004
oct7741060
93822036
102081328
1111a1807
12844580
1357b472
143c2704
152b1a53
hex1fc230

2081328 has 40 divisors (see below), whose sum is σ = 5434176. Its totient is φ = 686400.

The previous prime is 2081323. The next prime is 2081351. The reversal of 2081328 is 8231802.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2081298 and 2081307.

It is not an unprimeable number, because it can be changed into a prime (2081323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6123 + ... + 6453.

22081328 is an apocalyptic number.

It is an amenable number.

2081328 is an abundant number, since it is smaller than the sum of its proper divisors (3352848).

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

2081328 is a wasteful number, since it uses less digits than its factorization.

2081328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2081328 is about 1442.6808378848. The cubic root of 2081328 is about 127.6772467544.

The spelling of 2081328 in words is "two million, eighty-one thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 131 262 331 393 524 662 786 993 1048 1324 1572 1986 2096 2648 3144 3972 5296 6288 7944 15888 43361 86722 130083 173444 260166 346888 520332 693776 1040664 2081328