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202343442 = 23723112213
BaseRepresentation
bin11000000111110…
…00010000010010
3112002202010000120
430003320100102
5403244442232
632024531110
75004614400
oct1403702022
9462663016
10202343442
11a4243694
1257920a96
1332bc7b62
141cc32470
1512b6d92c
hexc0f8412

202343442 has 48 divisors (see below), whose sum is σ = 472485312. Its totient is φ = 57600480.

The previous prime is 202343431. The next prime is 202343497. The reversal of 202343442 is 244343202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90328 + ... + 92540.

It is an arithmetic number, because the mean of its divisors is an integer number (9843444).

Almost surely, 2202343442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202343442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236242656).

202343442 is an abundant number, since it is smaller than the sum of its proper divisors (270141870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202343442 is a wasteful number, since it uses less digits than its factorization.

202343442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2536 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 202343442 is about 14224.7475197277. The cubic root of 202343442 is about 587.0787728749.

Adding to 202343442 its reverse (244343202), we get a palindrome (446686644).

The spelling of 202343442 in words is "two hundred two million, three hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 311 622 933 1866 2177 2213 4354 4426 6531 6639 13062 13278 15239 15491 30478 30982 45717 46473 91434 92946 108437 216874 325311 650622 688243 1376486 2064729 4129458 4817701 9635402 14453103 28906206 33723907 67447814 101171721 202343442