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80398392 = 2336749999
BaseRepresentation
bin1001100101011…
…00100000111000
312121021122212020
410302230200320
5131040222032
611551114440
71664242434
oct462544070
9177248766
1080398392
1141423558
1222b12a20
131386c819
14a96b9c4
1570d1b2c
hex4cac838

80398392 has 32 divisors (see below), whose sum is σ = 204000000. Its totient is φ = 26398944.

The previous prime is 80398361. The next prime is 80398393. The reversal of 80398392 is 29389308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80398393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23392 + ... + 26607.

It is an arithmetic number, because the mean of its divisors is an integer number (6375000).

Almost surely, 280398392 is an apocalyptic number.

It is an amenable number.

80398392 is an abundant number, since it is smaller than the sum of its proper divisors (123601608).

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

80398392 is a wasteful number, since it uses less digits than its factorization.

80398392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50075 (or 50071 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 80398392 is about 8966.5150420885. The cubic root of 80398392 is about 431.6010119302.

The spelling of 80398392 in words is "eighty million, three hundred ninety-eight thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 67 134 201 268 402 536 804 1608 49999 99998 149997 199996 299994 399992 599988 1199976 3349933 6699866 10049799 13399732 20099598 26799464 40199196 80398392