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80394026 = 240197013
BaseRepresentation
bin1001100101010…
…11011100101010
312121021102212112
410302223130222
5131040102101
611551042322
71664223626
oct462533452
9177242775
1080394026
1141420249
1222b103a2
131386a83b
14a96a186
1570d06bb
hex4cab72a

80394026 has 4 divisors (see below), whose sum is σ = 120591042. Its totient is φ = 40197012.

The previous prime is 80394019. The next prime is 80394029. The reversal of 80394026 is 62049308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80371225 + 22801 = 8965^2 + 151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80393983 and 80394001.

It is not an unprimeable number, because it can be changed into a prime (80394029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20098505 + ... + 20098508.

Almost surely, 280394026 is an apocalyptic number.

80394026 is a deficient number, since it is larger than the sum of its proper divisors (40197016).

80394026 is a wasteful number, since it uses less digits than its factorization.

80394026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40197015.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 80394026 is about 8966.2715774172. The cubic root of 80394026 is about 431.5931991531.

The spelling of 80394026 in words is "eighty million, three hundred ninety-four thousand, twenty-six".

Divisors: 1 2 40197013 80394026