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20524368 = 243427591
BaseRepresentation
bin100111001001…
…0110101010000
31102121202010210
41032102311100
520223234433
62011524120
7336311544
oct116226520
942552123
1020524368
1110649297
126a59640
134337cc7
142a23a24
151c06463
hex1392d50

20524368 has 20 divisors (see below), whose sum is σ = 53021408. Its totient is φ = 6841440.

The previous prime is 20524367. The next prime is 20524403. The reversal of 20524368 is 86342502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524367) by changing a digit.

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, 213748 + ... + 213843.

Almost surely, 220524368 is an apocalyptic number.

It is an amenable number.

20524368 is an abundant number, since it is smaller than the sum of its proper divisors (32497040).

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

20524368 is a wasteful number, since it uses less digits than its factorization.

20524368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427602 (or 427596 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 20524368 is about 4530.3827652860. The cubic root of 20524368 is about 273.7935824358.

The spelling of 20524368 in words is "twenty million, five hundred twenty-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 427591 855182 1282773 1710364 2565546 3420728 5131092 6841456 10262184 20524368