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86764080 = 24351327809
BaseRepresentation
bin1010010101111…
…10101000110000
320001021001221110
411022332220300
5134202422310
612335353320
72102324334
oct512765060
9201231843
1086764080
1144a81157
1225082840
1314c8b0c0
14b7477c4
15793cd20
hex52bea30

86764080 has 80 divisors (see below), whose sum is σ = 289668960. Its totient is φ = 21356544.

The previous prime is 86764079. The next prime is 86764081. The reversal of 86764080 is 8046768.

It is an interprime number because it is at equal distance from previous prime (86764079) and next prime (86764081).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (86764081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10785 + ... + 17024.

It is an arithmetic number, because the mean of its divisors is an integer number (3620862).

Almost surely, 286764080 is an apocalyptic number.

86764080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86764080 is an abundant number, since it is smaller than the sum of its proper divisors (202904880).

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

86764080 is a wasteful number, since it uses less digits than its factorization.

86764080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27838 (or 27832 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 86764080 is about 9314.7238284342. The cubic root of 86764080 is about 442.7038736246.

The spelling of 86764080 in words is "eighty-six million, seven hundred sixty-four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 1040 1560 3120 27809 55618 83427 111236 139045 166854 222472 278090 333708 361517 417135 444944 556180 667416 723034 834270 1084551 1112360 1334832 1446068 1668540 1807585 2169102 2224720 2892136 3337080 3615170 4338204 5422755 5784272 6674160 7230340 8676408 10845510 14460680 17352816 21691020 28921360 43382040 86764080