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80404054 = 2103938693
BaseRepresentation
bin1001100101011…
…01111001010110
312121021221121221
410302231321112
5131040412204
611551200554
71664265103
oct462557126
9177257557
1080404054
1141427835
1222b1615a
1313872283
14a96daaa
1570d3654
hex4cade56

80404054 has 8 divisors (see below), whose sum is σ = 120725280. Its totient is φ = 40162296.

The previous prime is 80404043. The next prime is 80404061. The reversal of 80404054 is 45040408.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17269 + ... + 21424.

It is an arithmetic number, because the mean of its divisors is an integer number (15090660).

Almost surely, 280404054 is an apocalyptic number.

80404054 is a deficient number, since it is larger than the sum of its proper divisors (40321226).

80404054 is a wasteful number, since it uses less digits than its factorization.

80404054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39734.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 80404054 is about 8966.8307667760. The cubic root of 80404054 is about 431.6111434245.

The spelling of 80404054 in words is "eighty million, four hundred four thousand, fifty-four".

Divisors: 1 2 1039 2078 38693 77386 40202027 80404054