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83674340 = 22517431571
BaseRepresentation
bin1001111110011…
…00010011100100
312211110002121122
410333030103210
5132410034330
612145233112
72034135341
oct477142344
9184402548
1083674340
1143260852
1224032798
1314448959
14b1817c8
15752c5e5
hex4fcc4e4

83674340 has 48 divisors (see below), whose sum is σ = 186810624. Its totient is φ = 31372800.

The previous prime is 83674319. The next prime is 83674373. The reversal of 83674340 is 4347638.

It is a self number, because there is not a number n which added to its sum of digits gives 83674340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146255 + ... + 146825.

It is an arithmetic number, because the mean of its divisors is an integer number (3891888).

Almost surely, 283674340 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 83674340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93405312).

83674340 is an abundant number, since it is smaller than the sum of its proper divisors (103136284).

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

83674340 is a wasteful number, since it uses less digits than its factorization.

83674340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 83674340 is about 9147.3679274423. The cubic root of 83674340 is about 437.3852150571.

The spelling of 83674340 in words is "eighty-three million, six hundred seventy-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 431 571 862 1142 1724 2155 2284 2855 4310 5710 7327 8620 9707 11420 14654 19414 29308 36635 38828 48535 73270 97070 146540 194140 246101 492202 984404 1230505 2461010 4183717 4922020 8367434 16734868 20918585 41837170 83674340