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80838572 = 2227772959
BaseRepresentation
bin1001101000101…
…11111110101100
312122010000200012
410310113332230
5131143313242
612004352352
72001054653
oct464277654
9178100605
1080838572
11416a4241
12230a56b8
1313994c99
14aa4419a
15716c282
hex4d17fac

80838572 has 12 divisors (see below), whose sum is σ = 141980160. Its totient is φ = 40272816.

The previous prime is 80838551. The next prime is 80838601. The reversal of 80838572 is 27583808.

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, 35372 + ... + 37587.

It is an arithmetic number, because the mean of its divisors is an integer number (11831680).

Almost surely, 280838572 is an apocalyptic number.

It is an amenable number.

80838572 is a deficient number, since it is larger than the sum of its proper divisors (61141588).

80838572 is a wasteful number, since it uses less digits than its factorization.

80838572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73240 (or 73238 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 80838572 is about 8991.0273050414. The cubic root of 80838572 is about 432.3872484996.

The spelling of 80838572 in words is "eighty million, eight hundred thirty-eight thousand, five hundred seventy-two".

Divisors: 1 2 4 277 554 1108 72959 145918 291836 20209643 40419286 80838572