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10745231 = 78591787
BaseRepresentation
bin101000111111…
…010110001111
3202012220200112
4220333112033
510222321411
61022150235
7160222130
oct50772617
922186615
1010745231
11607a062
12372237b
1322c2b33
1415d9c87
15e23b8b
hexa3f58f

10745231 has 8 divisors (see below), whose sum is σ = 12301440. Its totient is φ = 9194328.

The previous prime is 10745219. The next prime is 10745233. The reversal of 10745231 is 13254701.

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

It is a cyclic number.

It is not a de Polignac number, because 10745231 - 210 = 10744207 is a prime.

It is a super-2 number, since 2×107452312 = 230919978486722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10745197 and 10745206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10745233) 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, 5120 + ... + 6906.

It is an arithmetic number, because the mean of its divisors is an integer number (1537680).

Almost surely, 210745231 is an apocalyptic number.

10745231 is a deficient number, since it is larger than the sum of its proper divisors (1556209).

10745231 is an equidigital number, since it uses as much as digits as its factorization.

10745231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 10745231 is about 3277.9919157923. The cubic root of 10745231 is about 220.6676070317.

Adding to 10745231 its reverse (13254701), we get a palindrome (23999932).

The spelling of 10745231 in words is "ten million, seven hundred forty-five thousand, two hundred thirty-one".

Divisors: 1 7 859 1787 6013 12509 1535033 10745231