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14252720 = 2451631093
BaseRepresentation
bin110110010111…
…101010110000
3222211010001112
4312113222300
512122041340
61225252452
7232101056
oct66275260
928733045
1014252720
118055309
124934128
132c50481
141c701d6
1513b8065
hexd97ab0

14252720 has 40 divisors (see below), whose sum is σ = 33371376. Its totient is φ = 5660928.

The previous prime is 14252701. The next prime is 14252747. The reversal of 14252720 is 2725241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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, 12494 + ... + 13586.

Almost surely, 214252720 is an apocalyptic number.

14252720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14252720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16685688).

14252720 is an abundant number, since it is smaller than the sum of its proper divisors (19118656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14252720 is a wasteful number, since it uses less digits than its factorization.

14252720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 14252720 is about 3775.2774732462. The cubic root of 14252720 is about 242.4558037570.

Adding to 14252720 its reverse (2725241), we get a palindrome (16977961).

The spelling of 14252720 in words is "fourteen million, two hundred fifty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 163 326 652 815 1093 1304 1630 2186 2608 3260 4372 5465 6520 8744 10930 13040 17488 21860 43720 87440 178159 356318 712636 890795 1425272 1781590 2850544 3563180 7126360 14252720