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2104980 = 223535083
BaseRepresentation
bin1000000001111010010100
310221221111020
420001322110
51014324410
6113041140
723614653
oct10017224
93857436
102104980
111208559
128561b0
13589167
143cb19a
152b8a70
hex201e94

2104980 has 24 divisors (see below), whose sum is σ = 5894112. Its totient is φ = 561312.

The previous prime is 2104969. The next prime is 2104987. The reversal of 2104980 is 894012.

It is a self number, because there is not a number n which added to its sum of digits gives 2104980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17482 + ... + 17601.

It is an arithmetic number, because the mean of its divisors is an integer number (245588).

22104980 is an apocalyptic number.

2104980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104980 is an abundant number, since it is smaller than the sum of its proper divisors (3789132).

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

2104980 is a wasteful number, since it uses less digits than its factorization.

2104980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35095 (or 35093 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2104980 is about 1450.8549203832. The cubic root of 2104980 is about 128.1590633207.

Adding to 2104980 its reverse (894012), we get a palindrome (2998992).

The spelling of 2104980 in words is "two million, one hundred four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 35083 70166 105249 140332 175415 210498 350830 420996 526245 701660 1052490 2104980