Search a number
-
+
116920969 = 1129832
BaseRepresentation
bin1101111100000…
…01001010001001
322011000012102021
412332001022021
5214412432334
615334004441
72616545314
oct676011211
9264005367
10116920969
115aaa9500
12331a6721
131b2b9609
141175797b
15a3e83b4
hex6f81289

116920969 has 9 divisors (see below), whose sum is σ = 128647309. Its totient is φ = 106183660.

The previous prime is 116920943. The next prime is 116920997. The reversal of 116920969 is 969029611.

The square root of 116920969 is 10813.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 116920969 - 213 = 116912777 is a prime.

It is a super-2 number, since 2×1169209692 = 27341025983797922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116921969) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 118452 + ... + 119434.

Almost surely, 2116920969 is an apocalyptic number.

116920969 is the 10813-rd square number.

116920969 is the 5407-th centered octagonal number.

It is an amenable number.

116920969 is a deficient number, since it is larger than the sum of its proper divisors (11726340).

116920969 is an frugal number, since it uses more digits than its factorization.

116920969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 43.

The cubic root of 116920969 is about 488.9871749152.

The spelling of 116920969 in words is "one hundred sixteen million, nine hundred twenty thousand, nine hundred sixty-nine".

Divisors: 1 11 121 983 10813 118943 966289 10629179 116920969