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132710688 = 253211163257
BaseRepresentation
bin1111110100100…
…00000100100000
3100020201101211200
413322100010200
5232433220223
621100241200
73201010425
oct772200440
9306641750
10132710688
1168a03560
1238540200
1321657546
14138a7d4c
15b9b6a43
hex7e90120

132710688 has 144 divisors (see below), whose sum is σ = 415842336. Its totient is φ = 39813120.

The previous prime is 132710681. The next prime is 132710689. The reversal of 132710688 is 886017231.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1327106882 = 35224253418866688, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (132710681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516256 + ... + 516512.

It is an arithmetic number, because the mean of its divisors is an integer number (2887794).

Almost surely, 2132710688 is an apocalyptic number.

132710688 is a gapful number since it is divisible by the number (18) 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 132710688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207921168).

132710688 is an abundant number, since it is smaller than the sum of its proper divisors (283131648).

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

132710688 is a wasteful number, since it uses less digits than its factorization.

132710688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 132710688 is about 11520.0124999932. The cubic root of 132710688 is about 510.0764821861.

The spelling of 132710688 in words is "one hundred thirty-two million, seven hundred ten thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 163 176 198 257 264 288 326 352 396 489 514 528 652 771 792 978 1028 1056 1304 1467 1542 1584 1793 1956 2056 2313 2608 2827 2934 3084 3168 3586 3912 4112 4626 5216 5379 5654 5868 6168 7172 7824 8224 8481 9252 10758 11308 11736 12336 14344 15648 16137 16962 18504 21516 22616 23472 24672 25443 28688 32274 33924 37008 41891 43032 45232 46944 50886 57376 64548 67848 74016 83782 86064 90464 101772 125673 129096 135696 167564 172128 203544 251346 258192 271392 335128 377019 407088 460801 502692 516384 670256 754038 814176 921602 1005384 1340512 1382403 1508076 1843204 2010768 2764806 3016152 3686408 4021536 4147209 5529612 6032304 7372816 8294418 11059224 12064608 14745632 16588836 22118448 33177672 44236896 66355344 132710688