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40090211 = 721127143
BaseRepresentation
bin1001100011101…
…1101001100011
32210102210102122
42120323221203
540230341321
63551134455
7664522040
oct230735143
983383378
1040090211
11206a2407
121151442b
1383c8925
1454781c7
1537bd8ab
hex263ba63

40090211 has 8 divisors (see below), whose sum is σ = 46036224. Its totient is φ = 34198920.

The previous prime is 40090181. The next prime is 40090229. The reversal of 40090211 is 11209004.

It is a happy number.

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

It is not a de Polignac number, because 40090211 - 210 = 40089187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40090211.

It is not an unprimeable number, because it can be changed into a prime (40090231) 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, 12095 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (5754528).

Almost surely, 240090211 is an apocalyptic number.

40090211 is a deficient number, since it is larger than the sum of its proper divisors (5946013).

40090211 is a wasteful number, since it uses less digits than its factorization.

40090211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27361.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 40090211 is about 6331.6831095689. The cubic root of 40090211 is about 342.2520940353.

Adding to 40090211 its reverse (11209004), we get a palindrome (51299215).

The spelling of 40090211 in words is "forty million, ninety thousand, two hundred eleven".

Divisors: 1 7 211 1477 27143 190001 5727173 40090211