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331364208 = 243729311097
BaseRepresentation
bin10011110000000…
…011011101110000
3212002112001020110
4103300003131300
51134312123313
652514141320
711132356260
oct2360033560
9762461213
10331364208
1116005691a
1292b81840
135385c9c6
14320197a0
151e156ec3
hex13c03770

331364208 has 160 divisors (see below), whose sum is σ = 1045647360. Its totient is φ = 88381440.

The previous prime is 331364191. The next prime is 331364227. The reversal of 331364208 is 802463133.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 301516 + ... + 302612.

It is an arithmetic number, because the mean of its divisors is an integer number (6535296).

Almost surely, 2331364208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331364208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522823680).

331364208 is an abundant number, since it is smaller than the sum of its proper divisors (714283152).

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

331364208 is a wasteful number, since it uses less digits than its factorization.

331364208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 331364208 is about 18203.4119878665. The cubic root of 331364208 is about 691.9932617652.

The spelling of 331364208 in words is "three hundred thirty-one million, three hundred sixty-four thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 29 31 42 48 56 58 62 84 87 93 112 116 124 168 174 186 203 217 232 248 336 348 372 406 434 464 496 609 651 696 744 812 868 899 1097 1218 1302 1392 1488 1624 1736 1798 2194 2436 2604 2697 3248 3291 3472 3596 4388 4872 5208 5394 6293 6582 7192 7679 8776 9744 10416 10788 12586 13164 14384 15358 17552 18879 21576 23037 25172 26328 30716 31813 34007 37758 43152 46074 50344 52656 61432 63626 68014 75516 92148 95439 100688 102021 122864 127252 136028 151032 184296 190878 204042 222691 238049 254504 272056 302064 368592 381756 408084 445382 476098 509008 544112 668073 714147 763512 816168 890764 952196 986203 1336146 1428294 1527024 1632336 1781528 1904392 1972406 2672292 2856588 2958609 3563056 3808784 3944812 5344584 5713176 5917218 6903421 7889624 10689168 11426352 11834436 13806842 15779248 20710263 23668872 27613684 41420526 47337744 55227368 82841052 110454736 165682104 331364208