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80069307 = 355747917
BaseRepresentation
bin1001100010111…
…00001010111011
312120122221102220
410301130022323
5130444204212
611540055123
71661402133
oct461341273
9176587386
1080069307
114121928a
12229944a3
1313785ab6
14a8c3ac3
15706938c
hex4c5c2bb

80069307 has 8 divisors (see below), whose sum is σ = 106952976. Its totient is φ = 53282592.

The previous prime is 80069293. The next prime is 80069317. The reversal of 80069307 is 70396008.

It is a happy number.

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

It is not a de Polignac number, because 80069307 - 27 = 80069179 is a prime.

It is a super-2 number, since 2×800693072 = 12822187846920498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80069317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22288 + ... + 25629.

It is an arithmetic number, because the mean of its divisors is an integer number (13369122).

Almost surely, 280069307 is an apocalyptic number.

80069307 is a deficient number, since it is larger than the sum of its proper divisors (26883669).

80069307 is a wasteful number, since it uses less digits than its factorization.

80069307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48477.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 80069307 is about 8948.1454503154. The cubic root of 80069307 is about 431.0113332614.

It can be divided in two parts, 800 and 69307, that added together give a palindrome (70107).

The spelling of 80069307 in words is "eighty million, sixty-nine thousand, three hundred seven".

Divisors: 1 3 557 1671 47917 143751 26689769 80069307