Search a number
-
+
80543950 = 2529716607
BaseRepresentation
bin1001100110100…
…00000011001110
312121120001112021
410303100003032
5131104401300
611554200354
71665420004
oct463200316
9177501467
1080543950
1141512953
1222b830ba
13138c0b56
14a9a8a74
15710ed1a
hex4cd00ce

80543950 has 24 divisors (see below), whose sum is σ = 151365312. Its totient is φ = 31883520.

The previous prime is 80543923. The next prime is 80543959. The reversal of 80543950 is 5934508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80543959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3454 + ... + 13153.

It is an arithmetic number, because the mean of its divisors is an integer number (6306888).

Almost surely, 280543950 is an apocalyptic number.

80543950 is a deficient number, since it is larger than the sum of its proper divisors (70821362).

80543950 is a wasteful number, since it uses less digits than its factorization.

80543950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16716 (or 16711 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 80543950 is about 8974.6281260005. The cubic root of 80543950 is about 431.8613202266.

The spelling of 80543950 in words is "eighty million, five hundred forty-three thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 97 194 485 970 2425 4850 16607 33214 83035 166070 415175 830350 1610879 3221758 8054395 16108790 40271975 80543950