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2230917 = 31357203
BaseRepresentation
bin1000100000101010000101
311012100020120
420200222011
51032342132
6115452153
724651063
oct10405205
94170216
102230917
111294137
128b7059
13601590
14421033
152e102c
hex220a85

2230917 has 8 divisors (see below), whose sum is σ = 3203424. Its totient is φ = 1372848.

The previous prime is 2230873. The next prime is 2230939. The reversal of 2230917 is 7190322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2230917 - 210 = 2229893 is a prime.

It is a super-3 number, since 3×22309173 = 33309759222655515639, which contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230117) 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 7 ways as a sum of consecutive naturals, for example, 28563 + ... + 28640.

It is an arithmetic number, because the mean of its divisors is an integer number (400428).

22230917 is an apocalyptic number.

It is an amenable number.

2230917 is a deficient number, since it is larger than the sum of its proper divisors (972507).

2230917 is a wasteful number, since it uses less digits than its factorization.

2230917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57219.

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

The square root of 2230917 is about 1493.6254550589. The cubic root of 2230917 is about 130.6655610705.

The spelling of 2230917 in words is "two million, two hundred thirty thousand, nine hundred seventeen".

Divisors: 1 3 13 39 57203 171609 743639 2230917