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213353401 = 434961707
BaseRepresentation
bin11001011011110…
…00001110111001
3112212110110211211
430231320032321
5414104302101
633100523121
75200321402
oct1455701671
9485413754
10213353401
11aa483628
125b5504a1
1335281321
142049a9a9
1513ae5c51
hexcb783b9

213353401 has 4 divisors (see below), whose sum is σ = 218315152. Its totient is φ = 208391652.

The previous prime is 213353333. The next prime is 213353407. The reversal of 213353401 is 104353312.

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.

It is a cyclic number.

It is not a de Polignac number, because 213353401 - 217 = 213222329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213353407) 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, 2480811 + ... + 2480896.

It is an arithmetic number, because the mean of its divisors is an integer number (54578788).

Almost surely, 2213353401 is an apocalyptic number.

It is an amenable number.

213353401 is a deficient number, since it is larger than the sum of its proper divisors (4961751).

213353401 is an equidigital number, since it uses as much as digits as its factorization.

213353401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961750.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 213353401 is about 14606.6218202567. The cubic root of 213353401 is about 597.5393679820.

The spelling of 213353401 in words is "two hundred thirteen million, three hundred fifty-three thousand, four hundred one".

Divisors: 1 43 4961707 213353401