[go: up one dir, main page]

Search a number
-
+
48306861 = 342772153
BaseRepresentation
bin1011100001000…
…1101010101101
310100220020120000
42320101222231
544331304421
64443214513
71124413221
oct270215255
9110806500
1048306861
11252a4729
1214217439
13a014855
1465b6781
154393226
hex2e11aad

48306861 has 20 divisors (see below), whose sum is σ = 72456252. Its totient is φ = 32073408.

The previous prime is 48306851. The next prime is 48306871. The reversal of 48306861 is 16860384.

It is a happy number.

48306861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (48306851) and next prime (48306871).

It can be written as a sum of positive squares in 2 ways, for example, as 5731236 + 42575625 = 2394^2 + 6525^2 .

It is not a de Polignac number, because 48306861 - 25 = 48306829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48306821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21361 + ... + 23513.

Almost surely, 248306861 is an apocalyptic number.

It is an amenable number.

48306861 is a deficient number, since it is larger than the sum of its proper divisors (24149391).

48306861 is a wasteful number, since it uses less digits than its factorization.

48306861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 48306861 is about 6950.3137339260. The cubic root of 48306861 is about 364.1969232931.

The spelling of 48306861 in words is "forty-eight million, three hundred six thousand, eight hundred sixty-one".

Divisors: 1 3 9 27 81 277 831 2153 2493 6459 7479 19377 22437 58131 174393 596381 1789143 5367429 16102287 48306861