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2055322631 = 8392449729
BaseRepresentation
bin111101010000001…
…1011110000000111
312022020110012121102
41322200123300013
513202130311011
6535540410315
7101634645155
oct17240336007
95266405542
102055322631
119651a334a
124943a699b
13269a7734b
14156d7a3d5
15c068e73b
hex7a81bc07

2055322631 has 4 divisors (see below), whose sum is σ = 2057773200. Its totient is φ = 2052872064.

The previous prime is 2055322613. The next prime is 2055322651. The reversal of 2055322631 is 1362235502.

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

It is a cyclic number.

It is not a de Polignac number, because 2055322631 - 26 = 2055322567 is a prime.

It is a super-2 number, since 2×20553226312 = 8448702235001524322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2055322594 and 2055322603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055322651) 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, 1224026 + ... + 1225703.

It is an arithmetic number, because the mean of its divisors is an integer number (514443300).

Almost surely, 22055322631 is an apocalyptic number.

2055322631 is a deficient number, since it is larger than the sum of its proper divisors (2450569).

2055322631 is an equidigital number, since it uses as much as digits as its factorization.

2055322631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450568.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2055322631 is about 45335.6662132586. Note that the first 3 decimals coincide. The cubic root of 2055322631 is about 1271.4325767021.

The spelling of 2055322631 in words is "two billion, fifty-five million, three hundred twenty-two thousand, six hundred thirty-one".

Divisors: 1 839 2449729 2055322631