Search a number
-
+
2053349979 = 32689254537
BaseRepresentation
bin111101001100011…
…1010001001011011
312022002201222122020
41322120322021123
513201124144404
6535430225523
7101612121042
oct17230721133
95262658566
102053349979
1196407625a
124937b52a3
132695364b5
141569c5559
15c03eeed9
hex7a63a25b

2053349979 has 8 divisors (see below), whose sum is σ = 2738828880. Its totient is φ = 1368385536.

The previous prime is 2053349951. The next prime is 2053349983. The reversal of 2053349979 is 9799433502.

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

It is a de Polignac number, because none of the positive numbers 2k-2053349979 is a prime.

It is a super-2 number, since 2×20533499792 = 8432492272518600882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2053349929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119202 + ... + 135335.

It is an arithmetic number, because the mean of its divisors is an integer number (342353610).

Almost surely, 22053349979 is an apocalyptic number.

2053349979 is a deficient number, since it is larger than the sum of its proper divisors (685478901).

2053349979 is a wasteful number, since it uses less digits than its factorization.

2053349979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257229.

The product of its (nonzero) digits is 1837080, while the sum is 51.

The square root of 2053349979 is about 45313.9049189098. The cubic root of 2053349979 is about 1271.0256824576.

The spelling of 2053349979 in words is "two billion, fifty-three million, three hundred forty-nine thousand, nine hundred seventy-nine".

Divisors: 1 3 2689 8067 254537 763611 684449993 2053349979