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22050147 = 372150001
BaseRepresentation
bin101010000011…
…1010101100011
31112111021010010
41110013111203
521121101042
62104340003
7355265100
oct124072543
945437103
1022050147
11114a0669
127474603
134750632
142cddaa7
151e0859c
hex1507563

22050147 has 12 divisors (see below), whose sum is σ = 34200456. Its totient is φ = 12600000.

The previous prime is 22050143. The next prime is 22050157. The reversal of 22050147 is 74105022.

It is not a de Polignac number, because 22050147 - 22 = 22050143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22050143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74854 + ... + 75147.

It is an arithmetic number, because the mean of its divisors is an integer number (2850038).

Almost surely, 222050147 is an apocalyptic number.

22050147 is a deficient number, since it is larger than the sum of its proper divisors (12150309).

22050147 is a wasteful number, since it uses less digits than its factorization.

22050147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150018 (or 150011 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22050147 is about 4695.7584051993. The cubic root of 22050147 is about 280.4166713056.

Adding to 22050147 its reverse (74105022), we get a palindrome (96155169).

The spelling of 22050147 in words is "twenty-two million, fifty thousand, one hundred forty-seven".

Divisors: 1 3 7 21 49 147 150001 450003 1050007 3150021 7350049 22050147