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13664510 = 252947119
BaseRepresentation
bin110100001000…
…000011111110
3221201020011222
4310020003332
511444231020
61204513342
7224101136
oct64100376
927636158
1013664510
117793392
1246ab852
132aa5812
141b59ac6
1512edb25
hexd080fe

13664510 has 16 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 5277216.

The previous prime is 13664491. The next prime is 13664527. The reversal of 13664510 is 1546631.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13664510.

It is a congruent number.

It is an unprimeable number.

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, 23270 + ... + 23849.

It is an arithmetic number, because the mean of its divisors is an integer number (1590300).

Almost surely, 213664510 is an apocalyptic number.

13664510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13664510 is a deficient number, since it is larger than the sum of its proper divisors (11780290).

13664510 is a wasteful number, since it uses less digits than its factorization.

13664510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47155.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13664510 is about 3696.5538005012. The cubic root of 13664510 is about 239.0734530274.

It can be divided in two parts, 136 and 64510, that added together give a palindrome (64646).

The spelling of 13664510 in words is "thirteen million, six hundred sixty-four thousand, five hundred ten".

Divisors: 1 2 5 10 29 58 145 290 47119 94238 235595 471190 1366451 2732902 6832255 13664510