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2235980 = 225111799
BaseRepresentation
bin1000100001111001001100
311012121012002
420201321030
51033022410
6115531432
725001615
oct10417114
94177162
102235980
111297a1a
128b9b78
13603986
14422c0c
152e27a5
hex221e4c

2235980 has 12 divisors (see below), whose sum is σ = 4695600. Its totient is φ = 894384.

The previous prime is 2235973. The next prime is 2235997. The reversal of 2235980 is 895322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55880 + ... + 55919.

It is an arithmetic number, because the mean of its divisors is an integer number (391300).

22235980 is an apocalyptic number.

2235980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2235980 is an abundant number, since it is smaller than the sum of its proper divisors (2459620).

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

2235980 is a wasteful number, since it uses less digits than its factorization.

2235980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111808 (or 111806 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2235980 is about 1495.3193638818. The cubic root of 2235980 is about 130.7643335936.

The spelling of 2235980 in words is "two million, two hundred thirty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 111799 223598 447196 558995 1117990 2235980