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86751264 = 25319199239
BaseRepresentation
bin1010010101110…
…11100000100000
320001020102100210
411022323200200
5134202020024
612335214120
72102242065
oct512734040
9201212323
1086751264
1144a72566
1225077340
1314c85312
14b742c6c
157939129
hex52bb820

86751264 has 96 divisors (see below), whose sum is σ = 241920000. Its totient is φ = 27143424.

The previous prime is 86751263. The next prime is 86751293. The reversal of 86751264 is 46215768.

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

It is not an unprimeable number, because it can be changed into a prime (86751263) 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 15 ways as a sum of consecutive naturals, for example, 362857 + ... + 363095.

It is an arithmetic number, because the mean of its divisors is an integer number (2520000).

Almost surely, 286751264 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 86751264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120960000).

86751264 is an abundant number, since it is smaller than the sum of its proper divisors (155168736).

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

86751264 is a wasteful number, since it uses less digits than its factorization.

86751264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 462 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 86751264 is about 9314.0358599267. The cubic root of 86751264 is about 442.6820751560.

The spelling of 86751264 in words is "eighty-six million, seven hundred fifty-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 199 228 239 304 398 456 478 597 608 717 796 912 956 1194 1434 1592 1824 1912 2388 2868 3184 3781 3824 4541 4776 5736 6368 7562 7648 9082 9552 11343 11472 13623 15124 18164 19104 22686 22944 27246 30248 36328 45372 47561 54492 60496 72656 90744 95122 108984 120992 142683 145312 181488 190244 217968 285366 362976 380488 435936 570732 760976 903659 1141464 1521952 1807318 2282928 2710977 3614636 4565856 5421954 7229272 10843908 14458544 21687816 28917088 43375632 86751264