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80000918 = 2263152093
BaseRepresentation
bin1001100010010…
…11011110010110
312120112110121222
410301023132112
5130440012133
611534410342
71660665554
oct461133626
9176473558
1080000918
1141181968
12229609b2
131376092a
14a8a6bd4
157053e98
hex4c4b796

80000918 has 8 divisors (see below), whose sum is σ = 120458448. Its totient is φ = 39848104.

The previous prime is 80000917. The next prime is 80000939. The reversal of 80000918 is 81900008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80000917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75521 + ... + 76572.

It is an arithmetic number, because the mean of its divisors is an integer number (15057306).

Almost surely, 280000918 is an apocalyptic number.

80000918 is a deficient number, since it is larger than the sum of its proper divisors (40457530).

80000918 is a wasteful number, since it uses less digits than its factorization.

80000918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152358.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 80000918 is about 8944.3232276120. The cubic root of 80000918 is about 430.8885861426. Note that the first 3 decimals are identical.

The spelling of 80000918 in words is "eighty million, nine hundred eighteen", and thus it is an aban number.

Divisors: 1 2 263 526 152093 304186 40000459 80000918