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2230940 = 225331337
BaseRepresentation
bin1000100000101010011100
311012100021102
420200222130
51032342230
6115452232
724651125
oct10405234
94170242
102230940
111294158
128b7078
136015aa
1442104c
152e1045
hex220a9c

2230940 has 24 divisors (see below), whose sum is σ = 4713072. Its totient is φ = 887040.

The previous prime is 2230939. The next prime is 2230951. The reversal of 2230940 is 490322.

It is a super-3 number, since 3×22309403 = 33310789470343752000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6452 + ... + 6788.

It is an arithmetic number, because the mean of its divisors is an integer number (196378).

22230940 is an apocalyptic number.

2230940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230940 is an abundant number, since it is smaller than the sum of its proper divisors (2482132).

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

2230940 is a wasteful number, since it uses less digits than its factorization.

2230940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2230940 is about 1493.6331544258. The cubic root of 2230940 is about 130.6660101082. Note that the first 3 decimals are identical.

The spelling of 2230940 in words is "two million, two hundred thirty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 331 337 662 674 1324 1348 1655 1685 3310 3370 6620 6740 111547 223094 446188 557735 1115470 2230940