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20752338 = 233793479
BaseRepresentation
bin100111100101…
…0011111010010
31110001022212010
41033022133102
520303033323
62020443350
7341251305
oct117123722
943038763
1020752338
11107945a2
126b49556
1343b79b9
142a82b3c
151c4dc93
hex13ca7d2

20752338 has 16 divisors (see below), whose sum is σ = 42626880. Its totient is φ = 6730416.

The previous prime is 20752327. The next prime is 20752339. The reversal of 20752338 is 83325702.

It is not an unprimeable number, because it can be changed into a prime (20752339) 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, 46518 + ... + 46961.

It is an arithmetic number, because the mean of its divisors is an integer number (2664180).

Almost surely, 220752338 is an apocalyptic number.

20752338 is an abundant number, since it is smaller than the sum of its proper divisors (21874542).

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

20752338 is a wasteful number, since it uses less digits than its factorization.

20752338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93521.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 20752338 is about 4555.4734111835. The cubic root of 20752338 is about 274.8035533654.

The spelling of 20752338 in words is "twenty million, seven hundred fifty-two thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 37 74 111 222 93479 186958 280437 560874 3458723 6917446 10376169 20752338