Search a number
-
+
345038328 = 233219311811
BaseRepresentation
bin10100100100001…
…101110111111000
3220001020202121100
4110210031313320
51201312211303
654123211400
711356530435
oct2444156770
9801222540
10345038328
11167846448
1297676b60
13566399bb
1433b78b8c
15204588a3
hex1490ddf8

345038328 has 96 divisors (see below), whose sum is σ = 988041600. Its totient is φ = 108475200.

The previous prime is 345038303. The next prime is 345038363. The reversal of 345038328 is 823830543.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 345038292 and 345038301.

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, 425043 + ... + 425853.

It is an arithmetic number, because the mean of its divisors is an integer number (10292100).

Almost surely, 2345038328 is an apocalyptic number.

345038328 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 345038328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494020800).

345038328 is an abundant number, since it is smaller than the sum of its proper divisors (643003272).

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

345038328 is a wasteful number, since it uses less digits than its factorization.

345038328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 345038328 is about 18575.2073474295. The cubic root of 345038328 is about 701.3838799930.

The spelling of 345038328 in words is "three hundred forty-five million, thirty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 311 342 456 622 684 811 933 1244 1368 1622 1866 2433 2488 2799 3244 3732 4866 5598 5909 6488 7299 7464 9732 11196 11818 14598 15409 17727 19464 22392 23636 29196 30818 35454 46227 47272 53181 58392 61636 70908 92454 106362 123272 138681 141816 184908 212724 252221 277362 369816 425448 504442 554724 756663 1008884 1109448 1513326 2017768 2269989 3026652 4539978 4792199 6053304 9079956 9584398 14376597 18159912 19168796 28753194 38337592 43129791 57506388 86259582 115012776 172519164 345038328