Search a number
-
+
308427038 = 2198116501
BaseRepresentation
bin10010011000100…
…011100100011110
3210111100201100122
4102120203210132
51112424131123
650334354542
710433405123
oct2230434436
9714321318
10308427038
1114910a887
128735ba52
134bb8b70a
142cd6874a
151c125bc8
hex1262391e

308427038 has 8 divisors (see below), whose sum is σ = 486990120. Its totient is φ = 146097000.

The previous prime is 308427037. The next prime is 308427083. The reversal of 308427038 is 830724803.

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

It is a junction number, because it is equal to n+sod(n) for n = 308426989 and 308427007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308427037) 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 3 ways as a sum of consecutive naturals, for example, 4058213 + ... + 4058288.

It is an arithmetic number, because the mean of its divisors is an integer number (60873765).

Almost surely, 2308427038 is an apocalyptic number.

308427038 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

308427038 is a deficient number, since it is larger than the sum of its proper divisors (178563082).

308427038 is a wasteful number, since it uses less digits than its factorization.

308427038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116522.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 308427038 is about 17562.0909347378. The cubic root of 308427038 is about 675.6433102452.

The spelling of 308427038 in words is "three hundred eight million, four hundred twenty-seven thousand, thirty-eight".

Divisors: 1 2 19 38 8116501 16233002 154213519 308427038