Search a number
-
+
2277640139 = 22710639439
BaseRepresentation
bin1000011111000010…
…0000011111001011
312212201210002220012
42013300200133023
514131033441024
61014001422135
7110304423155
oct20760403713
95781702805
102277640139
11a69739825
1253693a94b
132a3b46878
141786cbad5
15d4e5650e
hex87c207cb

2277640139 has 8 divisors (see below), whose sum is σ = 2290068480. Its totient is φ = 2265233256.

The previous prime is 2277640121. The next prime is 2277640247. The reversal of 2277640139 is 9310467722.

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 2277640139 - 216 = 2277574603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2277640096 and 2277640105.

It is not an unprimeable number, because it can be changed into a prime (2277640109) 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, 236582 + ... + 246020.

It is an arithmetic number, because the mean of its divisors is an integer number (286258560).

Almost surely, 22277640139 is an apocalyptic number.

2277640139 is a deficient number, since it is larger than the sum of its proper divisors (12428341).

2277640139 is a wasteful number, since it uses less digits than its factorization.

2277640139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10729.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2277640139 is about 47724.6282227531. The cubic root of 2277640139 is about 1315.7146262941.

The spelling of 2277640139 in words is "two billion, two hundred seventy-seven million, six hundred forty thousand, one hundred thirty-nine".

Divisors: 1 227 1063 9439 241301 2142653 10033657 2277640139