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12590155 = 5101107233
BaseRepresentation
bin110000000001…
…110001001011
3212200122110001
4300001301023
511210341110
61125503431
7212004664
oct60016113
925618401
1012590155
11711a196
124271b77
1327ba7c6
14195a36b
15118a63a
hexc01c4b

12590155 has 16 divisors (see below), whose sum is σ = 15466464. Its totient is φ = 9836800.

The previous prime is 12590143. The next prime is 12590161. The reversal of 12590155 is 55109521.

12590155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12590155 - 213 = 12581963 is a prime.

It is a super-4 number, since 4×125901554 (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53919 + ... + 54151.

It is an arithmetic number, because the mean of its divisors is an integer number (966654).

Almost surely, 212590155 is an apocalyptic number.

12590155 is a deficient number, since it is larger than the sum of its proper divisors (2876309).

12590155 is a wasteful number, since it uses less digits than its factorization.

12590155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 12590155 is about 3548.2608415955. The cubic root of 12590155 is about 232.6360555654.

Adding to 12590155 its reverse (55109521), we get a palindrome (67699676).

The spelling of 12590155 in words is "twelve million, five hundred ninety thousand, one hundred fifty-five".

Divisors: 1 5 101 107 233 505 535 1165 10807 23533 24931 54035 117665 124655 2518031 12590155