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201320422 = 2731378907
BaseRepresentation
bin10111111111111…
…10011111100110
3112000211010200221
423333332133212
5403014223142
631550554554
74663124002
oct1377763746
9460733627
10201320422
11a3705016
1257508a5a
133292a314
141ca47702
1512a1a767
hexbffe7e6

201320422 has 8 divisors (see below), whose sum is σ = 306117576. Its totient is φ = 99281232.

The previous prime is 201320389. The next prime is 201320437. The reversal of 201320422 is 224023102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201320396 and 201320405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689308 + ... + 689599.

It is an arithmetic number, because the mean of its divisors is an integer number (38264697).

Almost surely, 2201320422 is an apocalyptic number.

201320422 is a deficient number, since it is larger than the sum of its proper divisors (104797154).

201320422 is a wasteful number, since it uses less digits than its factorization.

201320422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378982.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201320422 is about 14188.7427913822. The cubic root of 201320422 is about 586.0877048428.

Adding to 201320422 its reverse (224023102), we get a palindrome (425343524).

The spelling of 201320422 in words is "two hundred one million, three hundred twenty thousand, four hundred twenty-two".

Divisors: 1 2 73 146 1378907 2757814 100660211 201320422