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201020413 = 1188120743
BaseRepresentation
bin10111111101101…
…01001111111101
3112000020220011111
423332311033331
5402430123123
631540322021
74660434226
oct1376651775
9460226144
10201020413
11a351a680
12573a3311
13328538b9
141c9aa24d
15129ab90d
hexbfb53fd

201020413 has 8 divisors (see below), whose sum is σ = 219554496. Its totient is φ = 182529600.

The previous prime is 201020377. The next prime is 201020419. The reversal of 201020413 is 314020102.

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

It is not a de Polignac number, because 201020413 - 29 = 201019901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020393 and 201020402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020419) 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, 681 + ... + 20062.

It is an arithmetic number, because the mean of its divisors is an integer number (27444312).

Almost surely, 2201020413 is an apocalyptic number.

It is an amenable number.

201020413 is a deficient number, since it is larger than the sum of its proper divisors (18534083).

201020413 is a wasteful number, since it uses less digits than its factorization.

201020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21635.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201020413 is about 14178.1667714835. The cubic root of 201020413 is about 585.7964295403.

Adding to 201020413 its reverse (314020102), we get a palindrome (515040515).

The spelling of 201020413 in words is "two hundred one million, twenty thousand, four hundred thirteen".

Divisors: 1 11 881 9691 20743 228173 18274583 201020413