Search a number
-
+
2056049387 = 71609182549
BaseRepresentation
bin111101010001100…
…1101001011101011
312022021211010112022
41322203031023223
513202322040022
6540004135055
7101644063040
oct17243151353
95267733468
102056049387
1196564a377
1249469748b
13269c70092
141570c91c7
15c0784c42
hex7a8cd2eb

2056049387 has 8 divisors (see below), whose sum is σ = 2351244000. Its totient is φ = 1761223104.

The previous prime is 2056049383. The next prime is 2056049389. The reversal of 2056049387 is 7839406502.

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 2056049387 - 22 = 2056049383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2056049381) 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, 80012 + ... + 102537.

It is an arithmetic number, because the mean of its divisors is an integer number (293905500).

Almost surely, 22056049387 is an apocalyptic number.

2056049387 is a deficient number, since it is larger than the sum of its proper divisors (295194613).

2056049387 is a wasteful number, since it uses less digits than its factorization.

2056049387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184165.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2056049387 is about 45343.6807835447. The cubic root of 2056049387 is about 1271.5824173079.

The spelling of 2056049387 in words is "two billion, fifty-six million, forty-nine thousand, three hundred eighty-seven".

Divisors: 1 7 1609 11263 182549 1277843 293721341 2056049387