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201150243 = 3372152041
BaseRepresentation
bin10111111110101…
…00111100100011
3112000111111021000
423333110330203
5402443301433
631543203043
74661514600
oct1377247443
9460444230
10201150243
11a35a9178
1257446483
133289aa18
141ca016a7
15129d5113
hexbfd4f23

201150243 has 24 divisors (see below), whose sum is σ = 346655760. Its totient is φ = 114942240.

The previous prime is 201150233. The next prime is 201150247. The reversal of 201150243 is 342051102.

It is not a de Polignac number, because 201150243 - 26 = 201150179 is a prime.

It is a super-2 number, since 2×2011502432 = 80922840517918098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201150247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74698 + ... + 77343.

It is an arithmetic number, because the mean of its divisors is an integer number (14443990).

Almost surely, 2201150243 is an apocalyptic number.

201150243 is a deficient number, since it is larger than the sum of its proper divisors (145505517).

201150243 is a wasteful number, since it uses less digits than its factorization.

201150243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152064 (or 152051 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201150243 is about 14182.7445510381. The cubic root of 201150243 is about 585.9225155464.

The spelling of 201150243 in words is "two hundred one million, one hundred fifty thousand, two hundred forty-three".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 152041 456123 1064287 1368369 3192861 4105107 7450009 9578583 22350027 28735749 67050081 201150243