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10720266 = 231786711
BaseRepresentation
bin101000111001…
…010000001010
3202011122102220
4220321100022
510221022031
61021434510
7160056264
oct50712012
922148386
1010720266
116062327
12370ba36
1322b466b
1415d0b34
15e1b596
hexa3940a

10720266 has 8 divisors (see below), whose sum is σ = 21440544. Its totient is φ = 3573420.

The previous prime is 10720261. The next prime is 10720267. The reversal of 10720266 is 66202701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

10720266 is an admirable number.

It is a super-2 number, since 2×107202662 = 229848206221512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10720261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893350 + ... + 893361.

It is an arithmetic number, because the mean of its divisors is an integer number (2680068).

Almost surely, 210720266 is an apocalyptic number.

10720266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10720266 is a wasteful number, since it uses less digits than its factorization.

10720266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786716.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 10720266 is about 3274.1817298372. The cubic root of 10720266 is about 220.4965780188.

Adding to 10720266 its reverse (66202701), we get a palindrome (76922967).

The spelling of 10720266 in words is "ten million, seven hundred twenty thousand, two hundred sixty-six".

Divisors: 1 2 3 6 1786711 3573422 5360133 10720266