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80944963 = 1143171131
BaseRepresentation
bin1001101001100…
…01111101000011
312122022102121121
410310301331003
5131210214323
612010533111
72002010101
oct464617503
9178272547
1080944963
1141767170
1223137197
1313a01538
14aa70c71
15718da5d
hex4d31f43

80944963 has 8 divisors (see below), whose sum is σ = 90357696. Its totient is φ = 71874600.

The previous prime is 80944949. The next prime is 80944967. The reversal of 80944963 is 36944908.

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

It is a cyclic number.

It is not a de Polignac number, because 80944963 - 25 = 80944931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (80944967) 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, 85093 + ... + 86038.

It is an arithmetic number, because the mean of its divisors is an integer number (11294712).

Almost surely, 280944963 is an apocalyptic number.

80944963 is a deficient number, since it is larger than the sum of its proper divisors (9412733).

80944963 is a wasteful number, since it uses less digits than its factorization.

80944963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171185.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 80944963 is about 8996.9418693243. The cubic root of 80944963 is about 432.5768524817.

The spelling of 80944963 in words is "eighty million, nine hundred forty-four thousand, nine hundred sixty-three".

Divisors: 1 11 43 473 171131 1882441 7358633 80944963