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20227467 = 3131730509
BaseRepresentation
bin100110100101…
…0010110001011
31102001122212110
41031022112023
520134234332
62001313403
7333634131
oct115122613
942048773
1020227467
1110466217
126935863
134262b20
142987751
151b984cc
hex134a58b

20227467 has 16 divisors (see below), whose sum is σ = 30754080. Its totient is φ = 11715072.

The previous prime is 20227463. The next prime is 20227477. The reversal of 20227467 is 76472202.

It is not a de Polignac number, because 20227467 - 22 = 20227463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20227463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14592 + ... + 15917.

It is an arithmetic number, because the mean of its divisors is an integer number (1922130).

Almost surely, 220227467 is an apocalyptic number.

20227467 is a deficient number, since it is larger than the sum of its proper divisors (10526613).

20227467 is a wasteful number, since it uses less digits than its factorization.

20227467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30542.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 20227467 is about 4497.4956364626. The cubic root of 20227467 is about 272.4669521968.

Adding to 20227467 its reverse (76472202), we get a palindrome (96699669).

The spelling of 20227467 in words is "twenty million, two hundred twenty-seven thousand, four hundred sixty-seven".

Divisors: 1 3 13 17 39 51 221 663 30509 91527 396617 518653 1189851 1555959 6742489 20227467