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213436041 = 3713781817
BaseRepresentation
bin11001011100011…
…00011010001001
3112212121200012120
430232030122021
5414114423131
633102401453
75201114340
oct1456143211
9485550176
10213436041
11aa52a725
125b590289
13352acb20
14204bcb57
1513b10496
hexcb8c689

213436041 has 16 divisors (see below), whose sum is σ = 350254464. Its totient is φ = 112581504.

The previous prime is 213436033. The next prime is 213436049. The reversal of 213436041 is 140634312.

It is an interprime number because it is at equal distance from previous prime (213436033) and next prime (213436049).

It is not a de Polignac number, because 213436041 - 23 = 213436033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213436049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390636 + ... + 391181.

It is an arithmetic number, because the mean of its divisors is an integer number (21890904).

Almost surely, 2213436041 is an apocalyptic number.

213436041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213436041 is a deficient number, since it is larger than the sum of its proper divisors (136818423).

213436041 is a wasteful number, since it uses less digits than its factorization.

213436041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781840.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 213436041 is about 14609.4504003402. The cubic root of 213436041 is about 597.6165080367.

The spelling of 213436041 in words is "two hundred thirteen million, four hundred thirty-six thousand, forty-one".

Divisors: 1 3 7 13 21 39 91 273 781817 2345451 5472719 10163621 16418157 30490863 71145347 213436041