Search a number
-
+
10401623 = 69115053
BaseRepresentation
bin100111101011…
…011101010111
3201120110100022
4213223131113
510130322443
61010535355
7154261301
oct47533527
921513308
1010401623
115964991
12359755b
13220260b
14154a971
15da6e68
hex9eb757

10401623 has 4 divisors (see below), whose sum is σ = 10417368. Its totient is φ = 10385880.

The previous prime is 10401619. The next prime is 10401649. The reversal of 10401623 is 32610401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32610401 = 89366409.

It is a cyclic number.

It is not a de Polignac number, because 10401623 - 22 = 10401619 is a prime.

It is a super-2 number, since 2×104016232 = 216387522068258, which contains 22 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 (10401613) 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, 6836 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (2604342).

Almost surely, 210401623 is an apocalyptic number.

10401623 is a deficient number, since it is larger than the sum of its proper divisors (15745).

10401623 is an equidigital number, since it uses as much as digits as its factorization.

10401623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15744.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10401623 is about 3225.1547249706. The cubic root of 10401623 is about 218.2899307053.

The spelling of 10401623 in words is "ten million, four hundred one thousand, six hundred twenty-three".

Divisors: 1 691 15053 10401623