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2080769 = 3756237
BaseRepresentation
bin111111100000000000001
310220201021112
413330000001
51013041034
6112333105
723454245
oct7740001
93821245
102080769
1111a1349
12844195
1357b132
143c2425
152b17ce
hex1fc001

2080769 has 4 divisors (see below), whose sum is σ = 2137044. Its totient is φ = 2024496.

The previous prime is 2080763. The next prime is 2080777. The reversal of 2080769 is 9670802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1537600 + 543169 = 1240^2 + 737^2 .

It is a cyclic number.

It is not a de Polignac number, because 2080769 - 220 = 1032193 is a prime.

It is a super-2 number, since 2×20807692 = 8659199262722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2080763) 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, 28082 + ... + 28155.

It is an arithmetic number, because the mean of its divisors is an integer number (534261).

It is a Proth number, since it is equal to 127 ⋅ 214 + 1 and 127 < 214.

22080769 is an apocalyptic number.

It is an amenable number.

2080769 is a deficient number, since it is larger than the sum of its proper divisors (56275).

2080769 is an equidigital number, since it uses as much as digits as its factorization.

2080769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56274.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2080769 is about 1442.4870883304. The cubic root of 2080769 is about 127.6658152755.

The spelling of 2080769 in words is "two million, eighty thousand, seven hundred sixty-nine".

Divisors: 1 37 56237 2080769