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20764214 = 228136947
BaseRepresentation
bin100111100110…
…1011000110110
31110001221010222
41033031120312
520303423324
62021014342
7341331032
oct117153066
943057128
1020764214
11107a2509
126b543b2
1343c0223
142a871c2
151c5255e
hex13cd636

20764214 has 8 divisors (see below), whose sum is σ = 31258008. Its totient is φ = 10344880.

The previous prime is 20764213. The next prime is 20764223. The reversal of 20764214 is 41246702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20764213) 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, 17912 + ... + 19035.

It is an arithmetic number, because the mean of its divisors is an integer number (3907251).

Almost surely, 220764214 is an apocalyptic number.

20764214 is a deficient number, since it is larger than the sum of its proper divisors (10493794).

20764214 is a wasteful number, since it uses less digits than its factorization.

20764214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37230.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 20764214 is about 4556.7767116680. The cubic root of 20764214 is about 274.8559642415.

The spelling of 20764214 in words is "twenty million, seven hundred sixty-four thousand, two hundred fourteen".

Divisors: 1 2 281 562 36947 73894 10382107 20764214