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14641561 = 111331051
BaseRepresentation
bin110111110110…
…100110011001
31000112212110001
4313312212121
512222012221
61241453001
7235310524
oct67664631
930485401
1014641561
1182a0470
124aa1161
13305845c
141d31bbb
151443391
hexdf6999

14641561 has 4 divisors (see below), whose sum is σ = 15972624. Its totient is φ = 13310500.

The previous prime is 14641531. The next prime is 14641589. The reversal of 14641561 is 16514641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14641561 - 29 = 14641049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14641531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665515 + ... + 665536.

It is an arithmetic number, because the mean of its divisors is an integer number (3993156).

Almost surely, 214641561 is an apocalyptic number.

14641561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14641561 is a deficient number, since it is larger than the sum of its proper divisors (1331063).

14641561 is a wasteful number, since it uses less digits than its factorization.

14641561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331062.

The product of its digits is 2880, while the sum is 28.

The square root of 14641561 is about 3826.4292754473. The cubic root of 14641561 is about 244.6409345228.

Subtracting 14641561 from its reverse (16514641), we obtain a triangular number (1873080 = T1935).

It can be divided in two parts, 1464 and 1561, that added together give a square (3025 = 552).

The spelling of 14641561 in words is "fourteen million, six hundred forty-one thousand, five hundred sixty-one".

Divisors: 1 11 1331051 14641561