Search a number
-
+
116923447 = 294031843
BaseRepresentation
bin1101111100000…
…01110000110111
322011000022211001
412332001300313
5214413022242
615334024131
72616555454
oct676016067
9264008731
10116923447
1160000353
12331a8047
131b2ba794
141175882b
15a3e8eb7
hex6f81c37

116923447 has 4 divisors (see below), whose sum is σ = 120955320. Its totient is φ = 112891576.

The previous prime is 116923403. The next prime is 116923463. The reversal of 116923447 is 744329611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744329611 = 2332362157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-116923447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116923487) 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, 2015893 + ... + 2015950.

It is an arithmetic number, because the mean of its divisors is an integer number (30238830).

Almost surely, 2116923447 is an apocalyptic number.

116923447 is a deficient number, since it is larger than the sum of its proper divisors (4031873).

116923447 is an equidigital number, since it uses as much as digits as its factorization.

116923447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031872.

The product of its digits is 36288, while the sum is 37.

The square root of 116923447 is about 10813.1145836896. The cubic root of 116923447 is about 488.9906293901.

It can be divided in two parts, 116923 and 447, that added together give a triangular number (117370 = T484).

The spelling of 116923447 in words is "one hundred sixteen million, nine hundred twenty-three thousand, four hundred forty-seven".

Divisors: 1 29 4031843 116923447