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20071467 = 3213199029
BaseRepresentation
bin100110010010…
…0010000101011
31101202201212200
41030210100223
520114241332
61554111243
7332414253
oct114442053
941681780
1020071467
1110369a99
12687b523
134209b10
142946963
151b6717c
hex132442b

20071467 has 24 divisors (see below), whose sum is σ = 32869200. Its totient is φ = 11700288.

The previous prime is 20071417. The next prime is 20071481. The reversal of 20071467 is 76417002.

It is not a de Polignac number, because 20071467 - 28 = 20071211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20071467.

It is not an unprimeable number, because it can be changed into a prime (20071417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2292 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (1369550).

Almost surely, 220071467 is an apocalyptic number.

20071467 is a deficient number, since it is larger than the sum of its proper divisors (12797733).

20071467 is a wasteful number, since it uses less digits than its factorization.

20071467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9067 (or 9064 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20071467 is about 4480.1190832387. The cubic root of 20071467 is about 271.7646961181.

Adding to 20071467 its reverse (76417002), we get a palindrome (96488469).

The spelling of 20071467 in words is "twenty million, seventy-one thousand, four hundred sixty-seven".

Divisors: 1 3 9 13 19 39 57 117 171 247 741 2223 9029 27087 81261 117377 171551 352131 514653 1056393 1543959 2230163 6690489 20071467