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83899416 = 23359193307
BaseRepresentation
bin1010000000000…
…11010000011000
312211212112100210
411000003100120
5132434240131
612154131120
72036063466
oct500032030
9184775323
1083899416
11433a4967
1224120aa0
13144c7233
14b1dd836
157574146
hex5003418

83899416 has 64 divisors (see below), whose sum is σ = 215107200. Its totient is φ = 27260928.

The previous prime is 83899381. The next prime is 83899433. The reversal of 83899416 is 61499838.

It is a super-2 number, since 2×838994162 = 14078224010282112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273135 + ... + 273441.

It is an arithmetic number, because the mean of its divisors is an integer number (3361050).

Almost surely, 283899416 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 83899416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107553600).

83899416 is an abundant number, since it is smaller than the sum of its proper divisors (131207784).

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

83899416 is a wasteful number, since it uses less digits than its factorization.

83899416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 564 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 83899416 is about 9159.6624391950. The cubic root of 83899416 is about 437.7770387918. Note that the first 3 decimals are identical.

The spelling of 83899416 in words is "eighty-three million, eight hundred ninety-nine thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 193 236 307 354 386 472 579 614 708 772 921 1158 1228 1416 1544 1842 2316 2456 3684 4632 7368 11387 18113 22774 34161 36226 45548 54339 59251 68322 72452 91096 108678 118502 136644 144904 177753 217356 237004 273288 355506 434712 474008 711012 1422024 3495809 6991618 10487427 13983236 20974854 27966472 41949708 83899416