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2194480 = 24527431
BaseRepresentation
bin1000010111110000110000
311010111021001
420113300300
51030210410
6115011344
724436621
oct10276060
94114231
102194480
111269822
12899b54
135bab12
14411a48
152d533a
hex217c30

2194480 has 20 divisors (see below), whose sum is σ = 5102352. Its totient is φ = 877760.

The previous prime is 2194471. The next prime is 2194487. The reversal of 2194480 is 844912.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2194487) 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, 13636 + ... + 13795.

22194480 is an apocalyptic number.

2194480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2194480 is an abundant number, since it is smaller than the sum of its proper divisors (2907872).

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

2194480 is a wasteful number, since it uses less digits than its factorization.

2194480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27444 (or 27438 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2194480 is about 1481.3777371083. The cubic root of 2194480 is about 129.9502768420.

The spelling of 2194480 in words is "two million, one hundred ninety-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 27431 54862 109724 137155 219448 274310 438896 548620 1097240 2194480