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2091260 = 225313373
BaseRepresentation
bin111111110100011111100
310221020200002
413332203330
51013410020
6112453432
723526653
oct7764374
93836602
102091260
1111a9216
1284a278
13582b42
143c619a
152b4975
hex1fe8fc

2091260 has 24 divisors (see below), whose sum is σ = 4534656. Its totient is φ = 809280.

The previous prime is 2091251. The next prime is 2091269. The reversal of 2091260 is 621902.

It is an interprime number because it is at equal distance from previous prime (2091251) and next prime (2091269).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091269) 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, 1067 + ... + 2306.

It is an arithmetic number, because the mean of its divisors is an integer number (188944).

22091260 is an apocalyptic number.

2091260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091260 is an abundant number, since it is smaller than the sum of its proper divisors (2443396).

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

2091260 is a wasteful number, since it uses less digits than its factorization.

2091260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2091260 is about 1446.1189439323. The cubic root of 2091260 is about 127.8800145155.

The spelling of 2091260 in words is "two million, ninety-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 3373 6746 13492 16865 33730 67460 104563 209126 418252 522815 1045630 2091260