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202642343 = 2912755021
BaseRepresentation
bin11000001010000…
…01001110100111
3112010022022000222
430011001032213
5403334023333
632035154555
75010301001
oct1405011647
9463268028
10202642343
11a4428212
1257a45a5b
1332ca0c17
141ccad371
1512bcc298
hexc1413a7

202642343 has 8 divisors (see below), whose sum is σ = 211284480. Its totient is φ = 194110560.

The previous prime is 202642337. The next prime is 202642367. The reversal of 202642343 is 343246202.

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 202642343 - 220 = 201593767 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 (202642393) 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, 23828 + ... + 31193.

It is an arithmetic number, because the mean of its divisors is an integer number (26410560).

Almost surely, 2202642343 is an apocalyptic number.

202642343 is a deficient number, since it is larger than the sum of its proper divisors (8642137).

202642343 is a wasteful number, since it uses less digits than its factorization.

202642343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55177.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 202642343 is about 14235.2500153668. The cubic root of 202642343 is about 587.3677075298.

Adding to 202642343 its reverse (343246202), we get a palindrome (545888545).

The spelling of 202642343 in words is "two hundred two million, six hundred forty-two thousand, three hundred forty-three".

Divisors: 1 29 127 3683 55021 1595609 6987667 202642343