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2230977 = 372331149
BaseRepresentation
bin1000100000101011000001
311012100022210
420200223001
51032342402
6115452333
724651210
oct10405301
94170283
102230977
111294191
128b70a9
13601608
14421077
152e106c
hex220ac1

2230977 has 32 divisors (see below), whose sum is σ = 3686400. Its totient is φ = 1172160.

The previous prime is 2230951. The next prime is 2230979. The reversal of 2230977 is 7790322.

It is not a de Polignac number, because 2230977 - 28 = 2230721 is a prime.

It is a super-3 number, since 3×22309773 = 33312446869894754499, which contains 333 as substring.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14899 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

22230977 is an apocalyptic number.

It is an amenable number.

2230977 is a deficient number, since it is larger than the sum of its proper divisors (1455423).

2230977 is a wasteful number, since it uses less digits than its factorization.

2230977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 2230977 is about 1493.6455402806. The cubic root of 2230977 is about 130.6667324668. Note that the first 3 decimals are identical.

The spelling of 2230977 in words is "two million, two hundred thirty thousand, nine hundred seventy-seven".

Divisors: 1 3 7 21 23 31 69 93 149 161 217 447 483 651 713 1043 2139 3129 3427 4619 4991 10281 13857 14973 23989 32333 71967 96999 106237 318711 743659 2230977