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14512421 = 711188473
BaseRepresentation
bin110111010111…
…000100100101
31000022022022002
4313113010211
512203344141
61235015045
7234232160
oct67270445
930268262
1014512421
118212440
124a3a485
133011741
141cdaad7
151419e9b
hexdd7125

14512421 has 8 divisors (see below), whose sum is σ = 18093504. Its totient is φ = 11308320.

The previous prime is 14512411. The next prime is 14512427. The reversal of 14512421 is 12421541.

It is a happy number.

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 14512421 - 26 = 14512357 is a prime.

It is a super-2 number, since 2×145124212 = 421220726562482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14512393 and 14512402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14512427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94160 + ... + 94313.

It is an arithmetic number, because the mean of its divisors is an integer number (2261688).

Almost surely, 214512421 is an apocalyptic number.

14512421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14512421 is a deficient number, since it is larger than the sum of its proper divisors (3581083).

14512421 is a wasteful number, since it uses less digits than its factorization.

14512421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188491.

The product of its digits is 320, while the sum is 20.

The square root of 14512421 is about 3809.5171610061. The cubic root of 14512421 is about 243.9195571515.

Adding to 14512421 its reverse (12421541), we get a palindrome (26933962).

The spelling of 14512421 in words is "fourteen million, five hundred twelve thousand, four hundred twenty-one".

Divisors: 1 7 11 77 188473 1319311 2073203 14512421