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80424406 = 240212203
BaseRepresentation
bin1001100101100…
…10110111010110
312121022222112201
410302302313112
5131042040111
611551435114
71664411326
oct462626726
9177288481
1080424406
1141441057
1222b25a9a
131387b60a
14a977286
1570d96c1
hex4cb2dd6

80424406 has 4 divisors (see below), whose sum is σ = 120636612. Its totient is φ = 40212202.

The previous prime is 80424403. The next prime is 80424481. The reversal of 80424406 is 60442408.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80424403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20106100 + ... + 20106103.

It is an arithmetic number, because the mean of its divisors is an integer number (30159153).

Almost surely, 280424406 is an apocalyptic number.

80424406 is a deficient number, since it is larger than the sum of its proper divisors (40212206).

80424406 is a wasteful number, since it uses less digits than its factorization.

80424406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40212205.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 80424406 is about 8967.9655440908. The cubic root of 80424406 is about 431.6475570484.

The spelling of 80424406 in words is "eighty million, four hundred twenty-four thousand, four hundred six".

Divisors: 1 2 40212203 80424406