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84796816 = 24131723981
BaseRepresentation
bin1010000110111…
…10010110010000
312220120010100211
411003132112100
5133201444231
612225253504
72046522016
oct503362620
9186503324
1084796816
1143958115
1224494294
131474c840
14b3948b6
15769eeb1
hex50de590

84796816 has 40 divisors (see below), whose sum is σ = 187347384. Its totient is φ = 36833280.

The previous prime is 84796813. The next prime is 84796849. The reversal of 84796816 is 61869748.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 84640000 = 396^2 + 9200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84796816.

It is not an unprimeable number, because it can be changed into a prime (84796813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8455 + ... + 15526.

Almost surely, 284796816 is an apocalyptic number.

It is an amenable number.

84796816 is an abundant number, since it is smaller than the sum of its proper divisors (102550568).

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

84796816 is a wasteful number, since it uses less digits than its factorization.

84796816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24019 (or 24013 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 84796816 is about 9208.5186648016. The cubic root of 84796816 is about 439.3323483058.

The spelling of 84796816 in words is "eighty-four million, seven hundred ninety-six thousand, eight hundred sixteen".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 104 136 208 221 272 442 884 1768 3536 23981 47962 95924 191848 311753 383696 407677 623506 815354 1247012 1630708 2494024 3261416 4988048 5299801 6522832 10599602 21199204 42398408 84796816