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20514366 = 2321139687
BaseRepresentation
bin100111001000…
…0011000111110
31102121020102100
41032100120332
520222424431
62011405530
7336240435
oct116203076
942536370
1020514366
1110641824
126a538a6
1343335a2
142a2011c
151c034e6
hex139063e

20514366 has 12 divisors (see below), whose sum is σ = 44447832. Its totient is φ = 6838116.

The previous prime is 20514341. The next prime is 20514371. The reversal of 20514366 is 66341502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569826 + ... + 569861.

It is an arithmetic number, because the mean of its divisors is an integer number (3703986).

Almost surely, 220514366 is an apocalyptic number.

20514366 is an abundant number, since it is smaller than the sum of its proper divisors (23933466).

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

20514366 is a wasteful number, since it uses less digits than its factorization.

20514366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139695 (or 1139692 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20514366 is about 4529.2787505297. The cubic root of 20514366 is about 273.7490998907.

Adding to 20514366 its reverse (66341502), we get a palindrome (86855868).

It can be divided in two parts, 205143 and 66, that added together give a square (205209 = 4532).

The spelling of 20514366 in words is "twenty million, five hundred fourteen thousand, three hundred sixty-six".

Divisors: 1 2 3 6 9 18 1139687 2279374 3419061 6838122 10257183 20514366