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80069006 = 240034503
BaseRepresentation
bin1001100010111…
…00000110001110
312120122221000202
410301130012032
5130444202011
611540053502
71661401223
oct461340616
9176587022
1080069006
1141219036
1222994292
1313785914
14a8c394a
15706923b
hex4c5c18e

80069006 has 4 divisors (see below), whose sum is σ = 120103512. Its totient is φ = 40034502.

The previous prime is 80068993. The next prime is 80069047. The reversal of 80069006 is 60096008.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×800690062 = 12822091443656072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80069006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017250 + ... + 20017253.

It is an arithmetic number, because the mean of its divisors is an integer number (30025878).

Almost surely, 280069006 is an apocalyptic number.

80069006 is a deficient number, since it is larger than the sum of its proper divisors (40034506).

80069006 is a wasteful number, since it uses less digits than its factorization.

80069006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40034505.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 80069006 is about 8948.1286311720. The cubic root of 80069006 is about 431.0107931686.

It can be divided in two parts, 8006 and 9006, that multiplied together give a triangular number (72102036 = T12008).

The spelling of 80069006 in words is "eighty million, sixty-nine thousand, six".

Divisors: 1 2 40034503 80069006