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86748288 = 2731121867
BaseRepresentation
bin1010010101110…
…10110010000000
320001020021021120
411022322302000
5134201421123
612335152240
72102230314
oct512726200
9201207246
1086748288
1144a70300
1225075680
1314c83b63
14b741b44
1579382e3
hex52bac80

86748288 has 96 divisors (see below), whose sum is σ = 253412880. Its totient is φ = 26273280.

The previous prime is 86748287. The next prime is 86748293. The reversal of 86748288 is 88284768.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 86748288.

It is not an unprimeable number, because it can be changed into a prime (86748287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45531 + ... + 47397.

Almost surely, 286748288 is an apocalyptic number.

86748288 is a gapful number since it is divisible by the number (88) 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 86748288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126706440).

86748288 is an abundant number, since it is smaller than the sum of its proper divisors (166664592).

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

86748288 is a wasteful number, since it uses less digits than its factorization.

86748288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1883 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 51.

The square root of 86748288 is about 9313.8760996698. The cubic root of 86748288 is about 442.6770130322.

The spelling of 86748288 in words is "eighty-six million, seven hundred forty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 121 128 132 176 192 242 264 352 363 384 484 528 704 726 968 1056 1408 1452 1867 1936 2112 2904 3734 3872 4224 5601 5808 7468 7744 11202 11616 14936 15488 20537 22404 23232 29872 41074 44808 46464 59744 61611 82148 89616 119488 123222 164296 179232 225907 238976 246444 328592 358464 451814 492888 657184 677721 716928 903628 985776 1314368 1355442 1807256 1971552 2628736 2710884 3614512 3943104 5421768 7229024 7886208 10843536 14458048 21687072 28916096 43374144 86748288