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40160213 = 42719403
BaseRepresentation
bin1001100100110…
…0101111010101
32210120100110022
42121030233111
540240111323
63552434525
7665233112
oct231145725
983510408
1040160213
112073aa65
1211548a45
138421752
145495909
1537d44c8
hex264cbd5

40160213 has 4 divisors (see below), whose sum is σ = 40173888. Its totient is φ = 40146540.

The previous prime is 40160201. The next prime is 40160249. The reversal of 40160213 is 31206104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40160213 - 28 = 40159957 is a prime.

It is a super-2 number, since 2×401602132 = 3225685416410738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40160191 and 40160200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40160713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431 + ... + 8972.

It is an arithmetic number, because the mean of its divisors is an integer number (10043472).

Almost surely, 240160213 is an apocalyptic number.

It is an amenable number.

40160213 is a deficient number, since it is larger than the sum of its proper divisors (13675).

40160213 is an equidigital number, since it uses as much as digits as its factorization.

40160213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40160213 is about 6337.2086126306. The cubic root of 40160213 is about 342.4511817042.

Adding to 40160213 its reverse (31206104), we get a palindrome (71366317).

The spelling of 40160213 in words is "forty million, one hundred sixty thousand, two hundred thirteen".

Divisors: 1 4271 9403 40160213