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345318080 = 26529127293
BaseRepresentation
bin10100100101010…
…010001011000000
3220001202222100112
4110211102023000
51201400134310
654133210452
711362104152
oct2445221300
9801688315
10345318080
11167a17648
1297790a28
1356707133
1433c0cad2
15204b1705
hex149522c0

345318080 has 112 divisors (see below), whose sum is σ = 860267520. Its totient is φ = 131862528.

The previous prime is 345318073. The next prime is 345318107. The reversal of 345318080 is 80813543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178414 + ... + 1178706.

It is an arithmetic number, because the mean of its divisors is an integer number (7680960).

Almost surely, 2345318080 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 345318080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430133760).

345318080 is an abundant number, since it is smaller than the sum of its proper divisors (514949440).

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

345318080 is a wasteful number, since it uses less digits than its factorization.

345318080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 345318080 is about 18582.7360741092. The cubic root of 345318080 is about 701.5733860296.

The spelling of 345318080 in words is "three hundred forty-five million, three hundred eighteen thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 127 145 160 232 254 290 293 320 464 508 580 586 635 928 1016 1160 1172 1270 1465 1856 2032 2320 2344 2540 2930 3683 4064 4640 4688 5080 5860 7366 8128 8497 9280 9376 10160 11720 14732 16994 18415 18752 20320 23440 29464 33988 36830 37211 40640 42485 46880 58928 67976 73660 74422 84970 93760 117856 135952 147320 148844 169940 186055 235712 271904 294640 297688 339880 372110 543808 589280 595376 679760 744220 1079119 1178560 1190752 1359520 1488440 2158238 2381504 2719040 2976880 4316476 5395595 5953760 8632952 10791190 11907520 17265904 21582380 34531808 43164760 69063616 86329520 172659040 345318080