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2090605307 = 72571162093
BaseRepresentation
bin111110010011100…
…0001101011111011
312101200211202100012
41330213001223323
513240143332212
6543240532135
7102543565130
oct17447015373
95350752305
102090605307
1198310178a
124a418104b
1327417b97b
1415b922587
15c380d922
hex7c9c1afb

2090605307 has 8 divisors (see below), whose sum is σ = 2398562016. Its totient is φ = 1784973312.

The previous prime is 2090605303. The next prime is 2090605327. The reversal of 2090605307 is 7035060902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2090605307 - 22 = 2090605303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090605301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579248 + ... + 582845.

It is an arithmetic number, because the mean of its divisors is an integer number (299820252).

Almost surely, 22090605307 is an apocalyptic number.

2090605307 is a deficient number, since it is larger than the sum of its proper divisors (307956709).

2090605307 is a wasteful number, since it uses less digits than its factorization.

2090605307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162357.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2090605307 is about 45723.1375454485. The cubic root of 2090605307 is about 1278.6666835279. Note that the first 4 decimals are identical.

The spelling of 2090605307 in words is "two billion, ninety million, six hundred five thousand, three hundred seven".

Divisors: 1 7 257 1799 1162093 8134651 298657901 2090605307