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2230971 = 3743657
BaseRepresentation
bin1000100000101010111011
311012100022120
420200222323
51032342341
6115452323
724651201
oct10405273
94170276
102230971
111294186
128b70a3
13601602
14421071
152e1066
hex220abb

2230971 has 4 divisors (see below), whose sum is σ = 2974632. Its totient is φ = 1487312.

The previous prime is 2230951. The next prime is 2230979. The reversal of 2230971 is 1790322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2230971 - 25 = 2230939 is a prime.

It is a super-3 number, since 3×22309713 = 33312178098665365833, which contains 333 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2230979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371826 + ... + 371831.

It is an arithmetic number, because the mean of its divisors is an integer number (743658).

22230971 is an apocalyptic number.

2230971 is a deficient number, since it is larger than the sum of its proper divisors (743661).

2230971 is an equidigital number, since it uses as much as digits as its factorization.

2230971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743660.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2230971 is about 1493.6435317705. The cubic root of 2230971 is about 130.6666153281. Note that the first 4 decimals are identical.

The spelling of 2230971 in words is "two million, two hundred thirty thousand, nine hundred seventy-one".

Divisors: 1 3 743657 2230971