Search a number
-
+
12164525 = 52491991
BaseRepresentation
bin101110011001…
…110110101101
3211220000120222
4232121312231
511103231100
61112421125
7205253042
oct56316655
924800528
1012164525
11695942a
1240a77a5
13269bb59
1418891c9
151104485
hexb99dad

12164525 has 12 divisors (see below), whose sum is σ = 15129984. Its totient is φ = 9702000.

The previous prime is 12164519. The next prime is 12164531. The reversal of 12164525 is 52546121.

It is an interprime number because it is at equal distance from previous prime (12164519) and next prime (12164531).

It is not a de Polignac number, because 12164525 - 26 = 12164461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12164494 and 12164503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11780 + ... + 12770.

It is an arithmetic number, because the mean of its divisors is an integer number (1260832).

Almost surely, 212164525 is an apocalyptic number.

It is an amenable number.

12164525 is a deficient number, since it is larger than the sum of its proper divisors (2965459).

12164525 is an equidigital number, since it uses as much as digits as its factorization.

12164525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1487 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 12164525 is about 3487.7679108565. The cubic root of 12164525 is about 229.9844034793.

It can be divided in two parts, 121 and 64525, that added together give a palindrome (64646).

The spelling of 12164525 in words is "twelve million, one hundred sixty-four thousand, five hundred twenty-five".

Divisors: 1 5 25 491 991 2455 4955 12275 24775 486581 2432905 12164525