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80069604 = 2236672467
BaseRepresentation
bin1001100010111…
…00001111100100
312120122221211220
410301130033210
5130444211404
611540100340
71661403036
oct461341744
9176587756
1080069604
114121952a
12229946b0
1313785c84
14a8c3c56
1570694d9
hex4c5c3e4

80069604 has 12 divisors (see below), whose sum is σ = 186829104. Its totient is φ = 26689864.

The previous prime is 80069603. The next prime is 80069641. The reversal of 80069604 is 40696008.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×800696042 = 12822282969433632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80069603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3336222 + ... + 3336245.

It is an arithmetic number, because the mean of its divisors is an integer number (15569092).

Almost surely, 280069604 is an apocalyptic number.

It is an amenable number.

80069604 is an abundant number, since it is smaller than the sum of its proper divisors (106759500).

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

80069604 is a wasteful number, since it uses less digits than its factorization.

80069604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672474 (or 6672472 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 80069604 is about 8948.1620459176. The cubic root of 80069604 is about 431.0118661756.

The spelling of 80069604 in words is "eighty million, sixty-nine thousand, six hundred four".

Divisors: 1 2 3 4 6 12 6672467 13344934 20017401 26689868 40034802 80069604