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20252514 = 233375419
BaseRepresentation
bin100110101000…
…0011101100010
31102002221020010
41031100131202
520141040024
62002025350
7334100142
oct115203542
942087203
1020252514
1110483017
126948256
134271349
142992922
151ba0b29
hex1350762

20252514 has 8 divisors (see below), whose sum is σ = 40505040. Its totient is φ = 6750836.

The previous prime is 20252509. The next prime is 20252521. The reversal of 20252514 is 41525202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20252514 is an admirable number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 1687704 + ... + 1687715.

It is an arithmetic number, because the mean of its divisors is an integer number (5063130).

Almost surely, 220252514 is an apocalyptic number.

20252514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20252514 is a wasteful number, since it uses less digits than its factorization.

20252514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375424.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 20252514 is about 4500.2793246642. The cubic root of 20252514 is about 272.5793680659.

Adding to 20252514 its reverse (41525202), we get a palindrome (61777716).

The spelling of 20252514 in words is "twenty million, two hundred fifty-two thousand, five hundred fourteen".

Divisors: 1 2 3 6 3375419 6750838 10126257 20252514