Search a number
-
+
331132608 = 26321979383
BaseRepresentation
bin10011101111001…
…010111011000000
3212002002021112200
4103233022323000
51134232220413
652505153200
711130403122
oct2357127300
9762067480
10331132608
1115aa08914
1292a8b800
13537ab471
1431d99212
151e10d573
hex13bcaec0

331132608 has 168 divisors, whose sum is σ = 1014374400. Its totient is φ = 102974976.

The previous prime is 331132597. The next prime is 331132619. The reversal of 331132608 is 806231133.

It is a happy number.

331132608 is a `hidden beast` number, since 331 + 1 + 326 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (331132597) and next prime (331132619).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 864385 + ... + 864767.

Almost surely, 2331132608 is an apocalyptic number.

331132608 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331132608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507187200).

331132608 is an abundant number, since it is smaller than the sum of its proper divisors (683241792).

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

331132608 is a wasteful number, since it uses less digits than its factorization.

331132608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 331132608 is about 18197.0494311578. The cubic root of 331132608 is about 691.8320061757.

It can be divided in two parts, 33113 and 2608, that added together give a square (35721 = 1892).

The spelling of 331132608 in words is "three hundred thirty-one million, one hundred thirty-two thousand, six hundred eight".