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675686080 = 26517294283
BaseRepresentation
bin101000010001100…
…010011011000000
31202002102102001101
4220101202123000
52340433423310
6151014144144
722513144156
oct5021423300
91662372041
10675686080
11317452a53
1216a352054
13a9ca8564
1465a493d6
153e4bd43a
hex284626c0

675686080 has 112 divisors (see below), whose sum is σ = 1762780320. Its totient is φ = 245547008.

The previous prime is 675686069. The next prime is 675686083. The reversal of 675686080 is 80686576.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 675686080.

It is not an unprimeable number, because it can be changed into a prime (675686083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155619 + ... + 159901.

It is an arithmetic number, because the mean of its divisors is an integer number (15739110).

Almost surely, 2675686080 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 675686080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881390160).

675686080 is an abundant number, since it is smaller than the sum of its proper divisors (1087094240).

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

675686080 is a wasteful number, since it uses less digits than its factorization.

675686080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346 (or 4336 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 675686080 is about 25993.9623759057. The cubic root of 675686080 is about 877.5024223221.

The spelling of 675686080 in words is "six hundred seventy-five million, six hundred eighty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 29 32 34 40 58 64 68 80 85 116 136 145 160 170 232 272 290 320 340 464 493 544 580 680 928 986 1088 1160 1360 1856 1972 2320 2465 2720 3944 4283 4640 4930 5440 7888 8566 9280 9860 15776 17132 19720 21415 31552 34264 39440 42830 68528 72811 78880 85660 124207 137056 145622 157760 171320 248414 274112 291244 342640 364055 496828 582488 621035 685280 728110 993656 1164976 1242070 1370560 1456220 1987312 2111519 2329952 2484140 2912440 3974624 4223038 4659904 4968280 5824880 7949248 8446076 9936560 10557595 11649760 16892152 19873120 21115190 23299520 33784304 39746240 42230380 67568608 84460760 135137216 168921520 337843040 675686080