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13625845 = 53597591
BaseRepresentation
bin110011111110…
…100111110101
3221122021010221
4303332213311
511442011340
61204014341
7223550332
oct63764765
927567127
1013625845
117767332
1246913b1
132a9103c
141b49989
1512e244a
hexcfe9f5

13625845 has 8 divisors (see below), whose sum is σ = 16398720. Its totient is φ = 10868880.

The previous prime is 13625819. The next prime is 13625849. The reversal of 13625845 is 54852631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13625845 - 215 = 13593077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13625845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001 + ... + 5590.

It is an arithmetic number, because the mean of its divisors is an integer number (2049840).

Almost surely, 213625845 is an apocalyptic number.

It is an amenable number.

13625845 is a deficient number, since it is larger than the sum of its proper divisors (2772875).

13625845 is an equidigital number, since it uses as much as digits as its factorization.

13625845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955.

The product of its digits is 28800, while the sum is 34.

The square root of 13625845 is about 3691.3202245267. The cubic root of 13625845 is about 238.8477464952.

The spelling of 13625845 in words is "thirteen million, six hundred twenty-five thousand, eight hundred forty-five".

Divisors: 1 5 359 1795 7591 37955 2725169 13625845