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201054261 = 3389172283
BaseRepresentation
bin10111111101111…
…01100000110101
3112000022121121010
423332331200311
5402432214021
631541142433
74660635012
oct1376754065
9460277533
10201054261
11a3543051
12573baa19
1332866125
141c9b8709
15129b6976
hexbfbd835

201054261 has 8 divisors (see below), whose sum is σ = 268763040. Its totient is φ = 133690832.

The previous prime is 201054253. The next prime is 201054307. The reversal of 201054261 is 162450102.

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

It is a cyclic number.

It is not a de Polignac number, because 201054261 - 23 = 201054253 is a prime.

It is a super-2 number, since 2×2010542612 = 80845631732512242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201054211) 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, 84975 + ... + 87308.

It is an arithmetic number, because the mean of its divisors is an integer number (33595380).

Almost surely, 2201054261 is an apocalyptic number.

It is an amenable number.

201054261 is a deficient number, since it is larger than the sum of its proper divisors (67708779).

201054261 is a wasteful number, since it uses less digits than its factorization.

201054261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172675.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 201054261 is about 14179.3603875492. The cubic root of 201054261 is about 585.8293066736.

The spelling of 201054261 in words is "two hundred one million, fifty-four thousand, two hundred sixty-one".

Divisors: 1 3 389 1167 172283 516849 67018087 201054261