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20146592 = 256110321
BaseRepresentation
bin100110011011…
…0100110100000
31101220112221002
41030312212200
520124142332
61555451132
7333146264
oct114664640
941815832
1020146592
1110410484
1268b6aa8
13423507b
1429660a4
151b7e562
hex13369a0

20146592 has 24 divisors (see below), whose sum is σ = 40317732. Its totient is φ = 9907200.

The previous prime is 20146591. The next prime is 20146627. The reversal of 20146592 is 29564102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18696976 + 1449616 = 4324^2 + 1204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146591) 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, 3209 + ... + 7112.

Almost surely, 220146592 is an apocalyptic number.

It is an amenable number.

20146592 is an abundant number, since it is smaller than the sum of its proper divisors (20171140).

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

20146592 is a wasteful number, since it uses less digits than its factorization.

20146592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10392 (or 10384 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 20146592 is about 4488.4955163172. The cubic root of 20146592 is about 272.1033344401.

The spelling of 20146592 in words is "twenty million, one hundred forty-six thousand, five hundred ninety-two".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 10321 20642 41284 82568 165136 330272 629581 1259162 2518324 5036648 10073296 20146592