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14020452 = 2234109397
BaseRepresentation
bin110101011110…
…111101100100
3222101022110000
4311132331210
512042123302
61220301300
7230112645
oct65367544
928338400
1014020452
117a06856
124841830
132b9b834
141c0d6cc
15136e31c
hexd5ef64

14020452 has 60 divisors (see below), whose sum is σ = 37081660. Its totient is φ = 4618944.

The previous prime is 14020417. The next prime is 14020459. The reversal of 14020452 is 25402041.

It can be written as a sum of positive squares in 2 ways, for example, as 9585216 + 4435236 = 3096^2 + 2106^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (14020459) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35118 + ... + 35514.

Almost surely, 214020452 is an apocalyptic number.

14020452 is a gapful number since it is divisible by the number (12) 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 14020452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18540830).

14020452 is an abundant number, since it is smaller than the sum of its proper divisors (23061208).

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

14020452 is a wasteful number, since it uses less digits than its factorization.

14020452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 14020452 is about 3744.3894028266. The cubic root of 14020452 is about 241.1315317653.

Adding to 14020452 its reverse (25402041), we get a palindrome (39422493).

The spelling of 14020452 in words is "fourteen million, twenty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 109 162 218 324 327 397 436 654 794 981 1191 1308 1588 1962 2382 2943 3573 3924 4764 5886 7146 8829 10719 11772 14292 17658 21438 32157 35316 42876 43273 64314 86546 128628 129819 173092 259638 389457 519276 778914 1168371 1557828 2336742 3505113 4673484 7010226 14020452