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20514324 = 2231709527
BaseRepresentation
bin100111001000…
…0011000010100
31102121020100210
41032100120110
520222424244
62011405420
7336240345
oct116203024
942536323
1020514324
1110641796
126a53870
13433356c
142a200cc
151c034b9
hex1390614

20514324 has 12 divisors (see below), whose sum is σ = 47866784. Its totient is φ = 6838104.

The previous prime is 20514323. The next prime is 20514331. The reversal of 20514324 is 42341502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20514324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854752 + ... + 854775.

Almost surely, 220514324 is an apocalyptic number.

It is an amenable number.

20514324 is an abundant number, since it is smaller than the sum of its proper divisors (27352460).

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

20514324 is a wasteful number, since it uses less digits than its factorization.

20514324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709534 (or 1709532 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20514324 is about 4529.2741140275. The cubic root of 20514324 is about 273.7489130709.

Adding to 20514324 its reverse (42341502), we get a palindrome (62855826).

The spelling of 20514324 in words is "twenty million, five hundred fourteen thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 1709527 3419054 5128581 6838108 10257162 20514324