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20192960 = 26563103
BaseRepresentation
bin100110100000…
…1111011000000
31101222220112102
41031001323000
520132133320
62000445532
7333431414
oct115017300
941886472
1020192960
11104422a7
1269198a8
1342501c8
142978d44
151b8d175
hex1341ec0

20192960 has 28 divisors (see below), whose sum is σ = 48085248. Its totient is φ = 8077056.

The previous prime is 20192917. The next prime is 20192969. The reversal of 20192960 is 6929102.

It is not an unprimeable number, because it can be changed into a prime (20192969) 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, 31232 + ... + 31871.

Almost surely, 220192960 is an apocalyptic number.

20192960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20192960 is an abundant number, since it is smaller than the sum of its proper divisors (27892288).

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

20192960 is an equidigital number, since it uses as much as digits as its factorization.

20192960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63120 (or 63110 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 20192960 is about 4493.6577528779. The cubic root of 20192960 is about 272.3119258879.

The spelling of 20192960 in words is "twenty million, one hundred ninety-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 63103 126206 252412 315515 504824 631030 1009648 1262060 2019296 2524120 4038592 5048240 10096480 20192960