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80532933 = 3132064947
BaseRepresentation
bin1001100110011…
…01010111000101
312121112111102020
410303031113011
5131104023213
611554033353
71665342615
oct463152705
9177474366
1080532933
1141505648
1222b78859
13138b8b30
14a9a4a45
15710b923
hex4ccd5c5

80532933 has 8 divisors (see below), whose sum is σ = 115637088. Its totient is φ = 49558704.

The previous prime is 80532931. The next prime is 80532973. The reversal of 80532933 is 33923508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80532933 - 21 = 80532931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80532894 and 80532903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80532931) 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, 1032435 + ... + 1032512.

It is an arithmetic number, because the mean of its divisors is an integer number (14454636).

Almost surely, 280532933 is an apocalyptic number.

It is an amenable number.

80532933 is a deficient number, since it is larger than the sum of its proper divisors (35104155).

80532933 is a wasteful number, since it uses less digits than its factorization.

80532933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064963.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 80532933 is about 8974.0143191328. The cubic root of 80532933 is about 431.8416289768.

The spelling of 80532933 in words is "eighty million, five hundred thirty-two thousand, nine hundred thirty-three".

Divisors: 1 3 13 39 2064947 6194841 26844311 80532933