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13455689 = 134324071
BaseRepresentation
bin110011010101…
…000101001001
3221022121201212
4303111011021
511421040224
61200222505
7222241262
oct63250511
927277655
1013455689
117660505
12460aa35
132a31760
141b03969
1512abd0e
hexcd5149

13455689 has 8 divisors (see below), whose sum is σ = 14828352. Its totient is φ = 12131280.

The previous prime is 13455661. The next prime is 13455697. The reversal of 13455689 is 98655431.

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 13455689 - 220 = 12407113 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13455089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11477 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (1853544).

Almost surely, 213455689 is an apocalyptic number.

It is an amenable number.

13455689 is a deficient number, since it is larger than the sum of its proper divisors (1372663).

13455689 is a wasteful number, since it uses less digits than its factorization.

13455689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24127.

The product of its digits is 129600, while the sum is 41.

The square root of 13455689 is about 3668.1996946731. The cubic root of 13455689 is about 237.8493562144.

The spelling of 13455689 in words is "thirteen million, four hundred fifty-five thousand, six hundred eighty-nine".

Divisors: 1 13 43 559 24071 312923 1035053 13455689