Search a number
-
+
80993460 = 22351349891
BaseRepresentation
bin1001101001111…
…01110010110100
312122101220010210
410310331302310
5131213242320
612011545420
72002301352
oct464756264
9178356123
1080993460
114179a649
122315b270
1313a1a632
14aa847d2
15719d0e0
hex4d3dcb4

80993460 has 24 divisors (see below), whose sum is σ = 226781856. Its totient is φ = 21598240.

The previous prime is 80993459. The next prime is 80993461. The reversal of 80993460 is 6439908.

It is an interprime number because it is at equal distance from previous prime (80993459) and next prime (80993461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80993461) 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, 674886 + ... + 675005.

It is an arithmetic number, because the mean of its divisors is an integer number (9449244).

Almost surely, 280993460 is an apocalyptic number.

It is an amenable number.

80993460 is an abundant number, since it is smaller than the sum of its proper divisors (145788396).

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

80993460 is a wasteful number, since it uses less digits than its factorization.

80993460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349903 (or 1349901 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 80993460 is about 8999.6366593324. The cubic root of 80993460 is about 432.6632259489.

The spelling of 80993460 in words is "eighty million, nine hundred ninety-three thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1349891 2699782 4049673 5399564 6749455 8099346 13498910 16198692 20248365 26997820 40496730 80993460