Search a number
-
+
80451882 = 23273143479
BaseRepresentation
bin1001100101110…
…01100100101010
312121101101020100
410302321210222
5131043430012
611552210230
71664554410
oct462714452
9177341210
1080451882
114145a765
1222b39976
131388ac84
14a9832b0
1570e28dc
hex4cb992a

80451882 has 96 divisors (see below), whose sum is σ = 210862080. Its totient is φ = 21682080.

The previous prime is 80451859. The next prime is 80451883. The reversal of 80451882 is 28815408.

It is not an unprimeable number, because it can be changed into a prime (80451883) 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 47 ways as a sum of consecutive naturals, for example, 167719 + ... + 168197.

It is an arithmetic number, because the mean of its divisors is an integer number (2196480).

Almost surely, 280451882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80451882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105431040).

80451882 is an abundant number, since it is smaller than the sum of its proper divisors (130410198).

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

80451882 is a wasteful number, since it uses less digits than its factorization.

80451882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 80451882 is about 8969.4973103290. The cubic root of 80451882 is about 431.6967071283.

The spelling of 80451882 in words is "eighty million, four hundred fifty-one thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 7 9 14 18 21 31 42 43 62 63 86 93 126 129 186 217 258 279 301 387 434 479 558 602 651 774 903 958 1302 1333 1437 1806 1953 2666 2709 2874 3353 3906 3999 4311 5418 6706 7998 8622 9331 10059 11997 14849 18662 20118 20597 23994 27993 29698 30177 41194 44547 55986 60354 61791 83979 89094 103943 123582 133641 144179 167958 185373 207886 267282 288358 311829 370746 432537 623658 638507 865074 935487 1277014 1297611 1870974 1915521 2595222 3831042 4469549 5746563 8939098 11493126 13408647 26817294 40225941 80451882