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2118814 = 21079901
BaseRepresentation
bin1000000101010010011110
310222122110121
420011102132
51020300224
6113225154
724003205
oct10052236
93878417
102118814
111217995
128621ba
13592549
143d223c
152bcbe4
hex20549e

2118814 has 8 divisors (see below), whose sum is σ = 3208248. Its totient is φ = 1049400.

The previous prime is 2118811. The next prime is 2118833. The reversal of 2118814 is 4188112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118811) 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, 4737 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (401031).

22118814 is an apocalyptic number.

2118814 is a deficient number, since it is larger than the sum of its proper divisors (1089434).

2118814 is a wasteful number, since it uses less digits than its factorization.

2118814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010.

The product of its digits is 512, while the sum is 25.

The square root of 2118814 is about 1455.6146468073. The cubic root of 2118814 is about 128.4392057501.

It can be divided in two parts, 211 and 8814, that added together give a square (9025 = 952).

The spelling of 2118814 in words is "two million, one hundred eighteen thousand, eight hundred fourteen".

Divisors: 1 2 107 214 9901 19802 1059407 2118814