Search a number
-
+
118923049 = 722427001
BaseRepresentation
bin1110001011010…
…01111100101001
322021202220202101
413011221330221
5220421014144
615444533401
72642554300
oct705517451
9267686671
10118923049
1161146713
12339b1261
131b83a98b
1411b19437
15a6916d4
hex7169f29

118923049 has 6 divisors (see below), whose sum is σ = 138339114. Its totient is φ = 101934000.

The previous prime is 118923031. The next prime is 118923061. The reversal of 118923049 is 940329811.

It can be written as a sum of positive squares in only one way, i.e., 82682649 + 36240400 = 9093^2 + 6020^2 .

It is a de Polignac number, because none of the positive numbers 2k-118923049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118922999 and 118923017.

It is not an unprimeable number, because it can be changed into a prime (118923029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1213452 + ... + 1213549.

It is an arithmetic number, because the mean of its divisors is an integer number (23056519).

Almost surely, 2118923049 is an apocalyptic number.

It is an amenable number.

118923049 is a deficient number, since it is larger than the sum of its proper divisors (19416065).

118923049 is an equidigital number, since it uses as much as digits as its factorization.

118923049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427015 (or 2427008 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 118923049 is about 10905.1845009610. The cubic root of 118923049 is about 491.7624288175.

It can be divided in two parts, 11892 and 3049, that added together give a palindrome (14941).

The spelling of 118923049 in words is "one hundred eighteen million, nine hundred twenty-three thousand, forty-nine".

Divisors: 1 7 49 2427001 16989007 118923049