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201425622 = 23171974761
BaseRepresentation
bin11000000000110…
…00001011010110
3112001000111000020
430000120023112
5403031104442
631553130010
74664042466
oct1400301326
9461014006
10201425622
11a3777062
1257559906
1332966178
141ca73ba6
1512a3b9ec
hexc0182d6

201425622 has 16 divisors (see below), whose sum is σ = 426548592. Its totient is φ = 63192320.

The previous prime is 201425621. The next prime is 201425633. The reversal of 201425622 is 226524102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201425592 and 201425601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201425621) 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, 987279 + ... + 987482.

It is an arithmetic number, because the mean of its divisors is an integer number (26659287).

Almost surely, 2201425622 is an apocalyptic number.

201425622 is an abundant number, since it is smaller than the sum of its proper divisors (225122970).

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

201425622 is a wasteful number, since it uses less digits than its factorization.

201425622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974783.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 201425622 is about 14192.4494714619. The cubic root of 201425622 is about 586.1897737892.

Adding to 201425622 its reverse (226524102), we get a palindrome (427949724).

The spelling of 201425622 in words is "two hundred one million, four hundred twenty-five thousand, six hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 1974761 3949522 5924283 11848566 33570937 67141874 100712811 201425622