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20452092 = 22310316547
BaseRepresentation
bin100111000000…
…1001011111100
31102111001222220
41032001023330
520213431332
62010205340
7335561043
oct116011374
942431886
1020452092
11105a9a61
126a23850
13431113b
142a0555a
151bded2c
hex13812fc

20452092 has 24 divisors (see below), whose sum is σ = 48187776. Its totient is φ = 6750768.

The previous prime is 20452079. The next prime is 20452093. The reversal of 20452092 is 29025402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7038 + ... + 9509.

It is an arithmetic number, because the mean of its divisors is an integer number (2007824).

Almost surely, 220452092 is an apocalyptic number.

It is an amenable number.

20452092 is an abundant number, since it is smaller than the sum of its proper divisors (27735684).

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

20452092 is a wasteful number, since it uses less digits than its factorization.

20452092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16657 (or 16655 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20452092 is about 4522.3989209268. The cubic root of 20452092 is about 273.4718189110.

Adding to 20452092 its reverse (29025402), we get a palindrome (49477494).

The spelling of 20452092 in words is "twenty million, four hundred fifty-two thousand, ninety-two".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 16547 33094 49641 66188 99282 198564 1704341 3408682 5113023 6817364 10226046 20452092