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83320384 = 26721632
BaseRepresentation
bin1001111011101…
…01111001000000
312210210010002011
410331311321000
5132312223014
612133502304
72031132400
oct475657100
9183703064
1083320384
1143039924
1223aa1994
1314353804
14b0cc800
1574ac7c4
hex4f75e40

83320384 has 63 divisors (see below), whose sum is σ = 193520187. Its totient is φ = 35489664.

The previous prime is 83320357. The next prime is 83320387. The reversal of 83320384 is 48302338.

The square root of 83320384 is 9128.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (83320387) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 511087 + ... + 511249.

It is an arithmetic number, because the mean of its divisors is an integer number (3071749).

Almost surely, 283320384 is an apocalyptic number.

83320384 is the 9128-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83320384

83320384 is an abundant number, since it is smaller than the sum of its proper divisors (110199803).

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

83320384 is an equidigital number, since it uses as much as digits as its factorization.

83320384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The cubic root of 83320384 is about 436.7676066269.

The spelling of 83320384 in words is "eighty-three million, three hundred twenty thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 163 196 224 326 392 448 652 784 1141 1304 1568 2282 2608 3136 4564 5216 7987 9128 10432 15974 18256 26569 31948 36512 53138 63896 73024 106276 127792 185983 212552 255584 371966 425104 511168 743932 850208 1301881 1487864 1700416 2603762 2975728 5207524 5951456 10415048 11902912 20830096 41660192 83320384