Search a number
-
+
10722730 = 254126153
BaseRepresentation
bin101000111001…
…110110101010
3202011202211011
4220321312222
510221111410
61021454134
7160066414
oct50716652
922152734
1010722730
116064167
12371134a
1322b5815
1415d19b4
15e1c18a
hexa39daa

10722730 has 16 divisors (see below), whose sum is σ = 19772424. Its totient is φ = 4184320.

The previous prime is 10722727. The next prime is 10722739. The reversal of 10722730 is 3722701.

It can be written as a sum of positive squares in 4 ways, for example, as 3545689 + 7177041 = 1883^2 + 2679^2 .

It is a super-2 number, since 2×107227302 = 229953877305800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10722739) 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 7 ways as a sum of consecutive naturals, for example, 12667 + ... + 13486.

Almost surely, 210722730 is an apocalyptic number.

10722730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10722730 is a deficient number, since it is larger than the sum of its proper divisors (9049694).

10722730 is a wasteful number, since it uses less digits than its factorization.

10722730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26201.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 10722730 is about 3274.5579854386. The cubic root of 10722730 is about 220.5134700732.

The spelling of 10722730 in words is "ten million, seven hundred twenty-two thousand, seven hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 26153 52306 130765 261530 1072273 2144546 5361365 10722730