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80229984 = 2533126959
BaseRepresentation
bin1001100100000…
…11011001100000
312120222002211220
410302003121200
5131014324414
611543335040
71662641442
oct462033140
9176862756
1080229984
1141318a7a
1222a51480
1313810c83
14a926492
15709bca9
hex4c83660

80229984 has 48 divisors (see below), whose sum is σ = 217405440. Its totient is φ = 25879680.

The previous prime is 80229977. The next prime is 80229997. The reversal of 80229984 is 48992208.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10504 + ... + 16455.

It is an arithmetic number, because the mean of its divisors is an integer number (4529280).

Almost surely, 280229984 is an apocalyptic number.

It is an amenable number.

80229984 is an abundant number, since it is smaller than the sum of its proper divisors (137175456).

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

80229984 is a wasteful number, since it uses less digits than its factorization.

80229984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27003 (or 26995 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 80229984 is about 8957.1191797363. The cubic root of 80229984 is about 431.2994475542.

The spelling of 80229984 in words is "eighty million, two hundred twenty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 26959 53918 80877 107836 161754 215672 323508 431344 647016 835729 862688 1294032 1671458 2507187 2588064 3342916 5014374 6685832 10028748 13371664 20057496 26743328 40114992 80229984