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86746248 = 23331923919
BaseRepresentation
bin1010010101110…
…10010010001000
320001020011111000
411022322102020
5134201334443
612335135000
72102221341
oct512722210
9201204430
1086746248
1144a69816
1225074460
1314c82c54
14b7410c8
1579378d3
hex52ba488

86746248 has 128 divisors (see below), whose sum is σ = 264960000. Its totient is φ = 26174016.

The previous prime is 86746237. The next prime is 86746249. The reversal of 86746248 is 84264768.

It is not an unprimeable number, because it can be changed into a prime (86746249) 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 31 ways as a sum of consecutive naturals, for example, 93933 + ... + 94851.

It is an arithmetic number, because the mean of its divisors is an integer number (2070000).

Almost surely, 286746248 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 86746248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132480000).

86746248 is an abundant number, since it is smaller than the sum of its proper divisors (178213752).

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

86746248 is a wasteful number, since it uses less digits than its factorization.

86746248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 966 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 86746248 is about 9313.7665850074. The cubic root of 86746248 is about 442.6735429610.

The spelling of 86746248 in words is "eighty-six million, seven hundred forty-six thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 19 23 24 27 36 38 46 54 57 69 72 76 92 108 114 138 152 171 184 207 216 228 276 342 414 437 456 513 552 621 684 828 874 919 1026 1242 1311 1368 1656 1748 1838 2052 2484 2622 2757 3496 3676 3933 4104 4968 5244 5514 7352 7866 8271 10488 11028 11799 15732 16542 17461 21137 22056 23598 24813 31464 33084 34922 42274 47196 49626 52383 63411 66168 69844 84548 94392 99252 104766 126822 139688 157149 169096 190233 198504 209532 253644 314298 380466 401603 419064 471447 507288 570699 628596 760932 803206 942894 1141398 1204809 1257192 1521864 1606412 1885788 2282796 2409618 3212824 3614427 3771576 4565592 4819236 7228854 9638472 10843281 14457708 21686562 28915416 43373124 86746248