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213055543 = 1716197741
BaseRepresentation
bin11001011001011…
…11100000110111
3112211220100021001
430230233200313
5414020234133
633050304131
75164641121
oct1454574067
9484810231
10213055543
11aa29a868
125b428047
13351a888c
1420420211
1513a8787d
hexcb2f837

213055543 has 8 divisors (see below), whose sum is σ = 225756720. Its totient is φ = 200373120.

The previous prime is 213055541. The next prime is 213055589. The reversal of 213055543 is 345550312.

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 213055543 - 21 = 213055541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213055541) 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, 23653 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (28219590).

Almost surely, 2213055543 is an apocalyptic number.

213055543 is a deficient number, since it is larger than the sum of its proper divisors (12701177).

213055543 is a wasteful number, since it uses less digits than its factorization.

213055543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 213055543 is about 14596.4222671174. The cubic root of 213055543 is about 597.2611679469.

The spelling of 213055543 in words is "two hundred thirteen million, fifty-five thousand, five hundred forty-three".

Divisors: 1 17 1619 7741 27523 131597 12532679 213055543