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206152041 = 3431159437
BaseRepresentation
bin11000100100110…
…10000101101001
3112100220121102210
430102122011221
5410233331131
632242315333
75052156234
oct1422320551
9470817383
10206152041
11a6405097
1259058b49
133392c574
141d54441b
1513172146
hexc49a169

206152041 has 8 divisors (see below), whose sum is σ = 275508864. Its totient is φ = 137114960.

The previous prime is 206152003. The next prime is 206152057. The reversal of 206152041 is 140251602.

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 206152041 - 210 = 206151017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206151999 and 206152017.

It is not an unprimeable number, because it can be changed into a prime (206152091) 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, 78426 + ... + 81011.

It is an arithmetic number, because the mean of its divisors is an integer number (34438608).

Almost surely, 2206152041 is an apocalyptic number.

It is an amenable number.

206152041 is a deficient number, since it is larger than the sum of its proper divisors (69356823).

206152041 is a wasteful number, since it uses less digits than its factorization.

206152041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159871.

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

The square root of 206152041 is about 14357.9957166730. The cubic root of 206152041 is about 590.7393211925.

The spelling of 206152041 in words is "two hundred six million, one hundred fifty-two thousand, forty-one".

Divisors: 1 3 431 1293 159437 478311 68717347 206152041