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80067868 = 22612391373
BaseRepresentation
bin1001100010110…
…11110100011100
312120122212110121
410301123310130
5130444132433
611540044324
71661365006
oct461336434
9176585417
1080067868
11412181a1
12229936a4
131378524a
14a8c3376
157068c2d
hex4c5bd1c

80067868 has 24 divisors (see below), whose sum is σ = 143115840. Its totient is φ = 39184320.

The previous prime is 80067857. The next prime is 80067877. The reversal of 80067868 is 86876008.

It is a happy number.

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, 57630 + ... + 59002.

It is an arithmetic number, because the mean of its divisors is an integer number (5963160).

Almost surely, 280067868 is an apocalyptic number.

It is an amenable number.

80067868 is a deficient number, since it is larger than the sum of its proper divisors (63047972).

80067868 is a wasteful number, since it uses less digits than its factorization.

80067868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 80067868 is about 8948.0650422312. The cubic root of 80067868 is about 431.0087512107.

The spelling of 80067868 in words is "eighty million, sixty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 61 122 239 244 478 956 1373 2746 5492 14579 29158 58316 83753 167506 328147 335012 656294 1312588 20016967 40033934 80067868