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80894461 = 107756023
BaseRepresentation
bin1001101001001…
…01100111111101
312122012212100011
410310211213331
5131202110321
612005503221
72001406624
oct464454775
9178185304
1080894461
114173222a
1223111b11
13139b455b
14aa5a6bb
15717dae1
hex4d259fd

80894461 has 4 divisors (see below), whose sum is σ = 81650592. Its totient is φ = 80138332.

The previous prime is 80894453. The next prime is 80894467. The reversal of 80894461 is 16449808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80894461 - 23 = 80894453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80894467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377905 + ... + 378118.

It is an arithmetic number, because the mean of its divisors is an integer number (20412648).

Almost surely, 280894461 is an apocalyptic number.

It is an amenable number.

80894461 is a deficient number, since it is larger than the sum of its proper divisors (756131).

80894461 is a wasteful number, since it uses less digits than its factorization.

80894461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756130.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 80894461 is about 8994.1348110866. The cubic root of 80894461 is about 432.4868714203.

The spelling of 80894461 in words is "eighty million, eight hundred ninety-four thousand, four hundred sixty-one".

Divisors: 1 107 756023 80894461