Search a number
-
+
10720550 = 2521491439
BaseRepresentation
bin101000111001…
…010100100110
3202011122211102
4220321110212
510221024200
61021440102
7160060151
oct50712446
922148742
1010720550
116062565
123710032
1322b4829
1415d0c98
15e1b6d5
hexa39526

10720550 has 24 divisors (see below), whose sum is σ = 20088000. Its totient is φ = 4256480.

The previous prime is 10720531. The next prime is 10720573. The reversal of 10720550 is 5502701.

It is a super-2 number, since 2×107205502 = 229860384605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 6731 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (837000).

Almost surely, 210720550 is an apocalyptic number.

10720550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10720550 is a deficient number, since it is larger than the sum of its proper divisors (9367450).

10720550 is a wasteful number, since it uses less digits than its factorization.

10720550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 10720550 is about 3274.2250991647. The cubic root of 10720550 is about 220.4985251246.

The spelling of 10720550 in words is "ten million, seven hundred twenty thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 149 298 745 1439 1490 2878 3725 7195 7450 14390 35975 71950 214411 428822 1072055 2144110 5360275 10720550