Search a number
-
+
10245623 = 73140351
BaseRepresentation
bin100111000101…
…010111110111
3201021112100112
4213011113313
510110324443
61003333235
7153041423
oct47052767
921245315
1010245623
115868763
12352121b
1321795cb
141509b83
15d75b18
hex9c55f7

10245623 has 4 divisors (see below), whose sum is σ = 10386048. Its totient is φ = 10105200.

The previous prime is 10245619. The next prime is 10245629. The reversal of 10245623 is 32654201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32654201 = 53616117.

It is a cyclic number.

It is not a de Polignac number, because 10245623 - 22 = 10245619 is a prime.

It is a super-3 number, since 3×102456233 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10245629) 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, 70103 + ... + 70248.

It is an arithmetic number, because the mean of its divisors is an integer number (2596512).

Almost surely, 210245623 is an apocalyptic number.

10245623 is a deficient number, since it is larger than the sum of its proper divisors (140425).

10245623 is an equidigital number, since it uses as much as digits as its factorization.

10245623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140424.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 10245623 is about 3200.8784731695. The cubic root of 10245623 is about 217.1931498936.

Adding to 10245623 its reverse (32654201), we get a palindrome (42899824).

The spelling of 10245623 in words is "ten million, two hundred forty-five thousand, six hundred twenty-three".

Divisors: 1 73 140351 10245623