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80000008 = 2311909091
BaseRepresentation
bin1001100010010…
…11010000001000
312120112102101021
410301023100020
5130440000013
611534402224
71660663114
oct461132010
9176472337
1080000008
1141181210
1222960374
13137603aa
14a8a6744
157053a8d
hex4c4b408

80000008 has 16 divisors (see below), whose sum is σ = 163636560. Its totient is φ = 36363600.

The previous prime is 79999987. The next prime is 80000023.

80000008 is nontrivially palindromic in base 10.

80000008 is a strobogrammatic number because it is the same when read upside-down.

It is a junction number, because it is equal to n+sod(n) for n = 79999946 and 80000000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454458 + ... + 454633.

It is an arithmetic number, because the mean of its divisors is an integer number (10227285).

Almost surely, 280000008 is an apocalyptic number.

80000008 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80000008 is an abundant number, since it is smaller than the sum of its proper divisors (83636552).

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

80000008 is a wasteful number, since it uses less digits than its factorization.

80000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909108 (or 909104 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 80000008 is about 8944.2723572127. The cubic root of 80000008 is about 430.8869523693.

It can be divided in two parts, 8000000 and 8, that multiplied together give a 6-th power (64000000 = 206).

The spelling of 80000008 in words is "eighty million, eight", and thus it is an aban number and an uban number.

Divisors: 1 2 4 8 11 22 44 88 909091 1818182 3636364 7272728 10000001 20000002 40000004 80000008