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80204224 = 267317167
BaseRepresentation
bin1001100011111…
…01000111000000
312120220210111211
410301331013000
5131013013344
611543015504
71662503362
oct461750700
9176823454
1080204224
1141300691
1222a3a594
1313802329
14a91ad32
157094334
hex4c7d1c0

80204224 has 28 divisors (see below), whose sum is σ = 161344864. Its totient is φ = 39550464.

The previous prime is 80204213. The next prime is 80204237. The reversal of 80204224 is 42240208.

It is a junction number, because it is equal to n+sod(n) for n = 80204195 and 80204204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3912 + ... + 13255.

Almost surely, 280204224 is an apocalyptic number.

It is an amenable number.

80204224 is an abundant number, since it is smaller than the sum of its proper divisors (81140640).

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

80204224 is a wasteful number, since it uses less digits than its factorization.

80204224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252 (or 17242 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 80204224 is about 8955.6811019598. The cubic root of 80204224 is about 431.2532825067.

It can be divided in two parts, 80 and 204224, that added together give a square (204304 = 4522).

The spelling of 80204224 in words is "eighty million, two hundred four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 73 146 292 584 1168 2336 4672 17167 34334 68668 137336 274672 549344 1098688 1253191 2506382 5012764 10025528 20051056 40102112 80204224