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331338112 = 2771919463
BaseRepresentation
bin10011101111111…
…101000110000000
3212002110201102221
4103233331012000
51134310304422
652513420424
711132220220
oct2357750600
9762421387
10331338112
11160039256
1292b6a714
1353850b71
1432010080
151e14e3c7
hex13bfd180

331338112 has 64 divisors (see below), whose sum is σ = 794131200. Its totient is φ = 134521344.

The previous prime is 331338101. The next prime is 331338113. The reversal of 331338112 is 211833133.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331338113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7293 + ... + 26755.

It is an arithmetic number, because the mean of its divisors is an integer number (12408300).

Almost surely, 2331338112 is an apocalyptic number.

331338112 is a gapful number since it is divisible by the number (32) 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 331338112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397065600).

331338112 is an abundant number, since it is smaller than the sum of its proper divisors (462793088).

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

331338112 is a wasteful number, since it uses less digits than its factorization.

331338112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19503 (or 19491 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 331338112 is about 18202.6951850543. The cubic root of 331338112 is about 691.9750957213.

The spelling of 331338112 in words is "three hundred thirty-one million, three hundred thirty-eight thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 128 133 152 224 266 304 448 532 608 896 1064 1216 2128 2432 4256 8512 17024 19463 38926 77852 136241 155704 272482 311408 369797 544964 622816 739594 1089928 1245632 1479188 2179856 2491264 2588579 2958376 4359712 5177158 5916752 8719424 10354316 11833504 17438848 20708632 23667008 41417264 47334016 82834528 165669056 331338112