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2080631 = 7297233
BaseRepresentation
bin111111011111101110111
310220201002102
413323331313
51013040011
6112332315
723453660
oct7737567
93821072
102080631
1111a1233
1284409b
1357b057
143c2367
152b173b
hex1fbf77

2080631 has 4 divisors (see below), whose sum is σ = 2377872. Its totient is φ = 1783392.

The previous prime is 2080609. The next prime is 2080651. The reversal of 2080631 is 1360802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1360802 = 2680401.

It is a cyclic number.

It is not a de Polignac number, because 2080631 - 26 = 2080567 is a prime.

It is a super-2 number, since 2×20806312 = 8658050716322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080651) 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, 148610 + ... + 148623.

It is an arithmetic number, because the mean of its divisors is an integer number (594468).

22080631 is an apocalyptic number.

2080631 is a deficient number, since it is larger than the sum of its proper divisors (297241).

2080631 is an equidigital number, since it uses as much as digits as its factorization.

2080631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297240.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2080631 is about 1442.4392534870. The cubic root of 2080631 is about 127.6629928779.

The spelling of 2080631 in words is "two million, eighty thousand, six hundred thirty-one".

Divisors: 1 7 297233 2080631