Search a number
-
+
80211306 = 2377512543
BaseRepresentation
bin1001100011111…
…10110101101010
312120221011020010
410301332311222
5131013230211
611543112350
71662533130
oct461766552
9176834203
1080211306
1141305a3a
1222a426b6
1313805616
14a91d750
1570964a6
hex4c7ed6a

80211306 has 32 divisors (see below), whose sum is σ = 183656448. Its totient is φ = 22878000.

The previous prime is 80211289. The next prime is 80211311. The reversal of 80211306 is 60311208.

It is a super-2 number, since 2×802113062 = 12867707220451272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30271 + ... + 32813.

It is an arithmetic number, because the mean of its divisors is an integer number (5739264).

Almost surely, 280211306 is an apocalyptic number.

80211306 is an abundant number, since it is smaller than the sum of its proper divisors (103445142).

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

80211306 is a wasteful number, since it uses less digits than its factorization.

80211306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 80211306 is about 8956.0764847114. The cubic root of 80211306 is about 431.2659752956.

The spelling of 80211306 in words is "eighty million, two hundred eleven thousand, three hundred six".

Divisors: 1 2 3 6 7 14 21 42 751 1502 2253 2543 4506 5086 5257 7629 10514 15258 15771 17801 31542 35602 53403 106806 1909793 3819586 5729379 11458758 13368551 26737102 40105653 80211306