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80400048 = 2431675001
BaseRepresentation
bin1001100101011…
…00111010110000
312121021202010120
410302230322300
5131040300143
611551130240
71664250321
oct462547260
9177252116
1080400048
1141424823
1222b13980
13138704c1
14a96c448
1570d2383
hex4caceb0

80400048 has 20 divisors (see below), whose sum is σ = 207700248. Its totient is φ = 26800000.

The previous prime is 80400029. The next prime is 80400059. The reversal of 80400048 is 84000408.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837453 + ... + 837548.

Almost surely, 280400048 is an apocalyptic number.

It is an amenable number.

80400048 is an abundant number, since it is smaller than the sum of its proper divisors (127300200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80400048 is a wasteful number, since it uses less digits than its factorization.

80400048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675012 (or 1675006 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 80400048 is about 8966.6073851820. The cubic root of 80400048 is about 431.6039751999.

The spelling of 80400048 in words is "eighty million, four hundred thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1675001 3350002 5025003 6700004 10050006 13400008 20100012 26800016 40200024 80400048