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201420241 = 11163112337
BaseRepresentation
bin11000000000101…
…10110111010001
3112001000012121221
430000112313101
5403030421431
631553045041
74664021011
oct1400266721
9461005557
10201420241
11a3773010
1257556781
1332963899
141ca71c41
1512a3a111
hexc016dd1

201420241 has 8 divisors (see below), whose sum is σ = 221081184. Its totient is φ = 181984320.

The previous prime is 201420187. The next prime is 201420253. The reversal of 201420241 is 142024102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201420241 is a prime.

It is a super-2 number, since 2×2014202412 = 81140226968996162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201420941) 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, 54376 + ... + 57961.

It is an arithmetic number, because the mean of its divisors is an integer number (27635148).

Almost surely, 2201420241 is an apocalyptic number.

It is an amenable number.

201420241 is a deficient number, since it is larger than the sum of its proper divisors (19660943).

201420241 is a wasteful number, since it uses less digits than its factorization.

201420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112511.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 201420241 is about 14192.2598975639. The cubic root of 201420241 is about 586.1845538058.

Adding to 201420241 its reverse (142024102), we get a palindrome (343444343).

The spelling of 201420241 in words is "two hundred one million, four hundred twenty thousand, two hundred forty-one".

Divisors: 1 11 163 1793 112337 1235707 18310931 201420241