Search a number
-
+
1115706138 = 23185951023
BaseRepresentation
bin100001010000000…
…0101001100011010
32212202101202002120
41002200011030122
54241110044023
6302413242110
736435226401
oct10240051432
92782352076
101115706138
11522872598
12271793336
1314a1bc861
14a826a638
1567e398e3
hex4280531a

1115706138 has 8 divisors (see below), whose sum is σ = 2231412288. Its totient is φ = 371902044.

The previous prime is 1115706101. The next prime is 1115706139. The reversal of 1115706138 is 8316075111.

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

1115706138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1115706099 and 1115706108.

It is not an unprimeable number, because it can be changed into a prime (1115706139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92975506 + ... + 92975517.

It is an arithmetic number, because the mean of its divisors is an integer number (278926536).

Almost surely, 21115706138 is an apocalyptic number.

1115706138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115706138 is a wasteful number, since it uses less digits than its factorization.

1115706138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185951028.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 1115706138 is about 33402.1876229686. The cubic root of 1115706138 is about 1037.1699866438.

The spelling of 1115706138 in words is "one billion, one hundred fifteen million, seven hundred six thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 185951023 371902046 557853069 1115706138