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80755033 = 616719759
BaseRepresentation
bin1001101000000…
…11100101011001
312121221210002011
410310003211121
5131133130113
612002505521
72000256262
oct464034531
9177853064
1080755033
11416474a7
12230652a1
1313965c58
14aa21969
15715263d
hex4d03959

80755033 has 8 divisors (see below), whose sum is σ = 83308160. Its totient is φ = 78241680.

The previous prime is 80755007. The next prime is 80755057. The reversal of 80755033 is 33055708.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80755033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80754986 and 80755004.

It is not an unprimeable number, because it can be changed into a prime (80755133) 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, 5793 + ... + 13966.

It is an arithmetic number, because the mean of its divisors is an integer number (10413520).

Almost surely, 280755033 is an apocalyptic number.

It is an amenable number.

80755033 is a deficient number, since it is larger than the sum of its proper divisors (2553127).

80755033 is a wasteful number, since it uses less digits than its factorization.

80755033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19887.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 80755033 is about 8986.3804170534. The cubic root of 80755033 is about 432.2382534212.

The spelling of 80755033 in words is "eighty million, seven hundred fifty-five thousand, thirty-three".

Divisors: 1 61 67 4087 19759 1205299 1323853 80755033