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13625161 = 114130211
BaseRepresentation
bin110011111110…
…011101001001
3221122020012121
4303332131021
511442001121
61204011241
7223545334
oct63763511
927566177
1013625161
117766870
124690b21
132a90934
141b4961b
1512e2141
hexcfe749

13625161 has 8 divisors (see below), whose sum is σ = 15226848. Its totient is φ = 12084000.

The previous prime is 13625153. The next prime is 13625189. The reversal of 13625161 is 16152631.

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 13625161 - 23 = 13625153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13605161) 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, 14655 + ... + 15556.

It is an arithmetic number, because the mean of its divisors is an integer number (1903356).

Almost surely, 213625161 is an apocalyptic number.

13625161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13625161 is a deficient number, since it is larger than the sum of its proper divisors (1601687).

13625161 is a wasteful number, since it uses less digits than its factorization.

13625161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30263.

The product of its digits is 1080, while the sum is 25.

The square root of 13625161 is about 3691.2275735858. The cubic root of 13625161 is about 238.8437498112.

Adding to 13625161 its reverse (16152631), we get a palindrome (29777792).

The spelling of 13625161 in words is "thirteen million, six hundred twenty-five thousand, one hundred sixty-one".

Divisors: 1 11 41 451 30211 332321 1238651 13625161