Search a number
-
+
40201343 = 7133071439
BaseRepresentation
bin1001100101011…
…0110001111111
32210122102212122
42121112301333
540242420333
63553353155
7665464040
oct231266177
983572778
1040201343
1120768956
12115687bb
1384373a0
1454a68c7
1537e1798
hex2656c7f

40201343 has 16 divisors (see below), whose sum is σ = 49674240. Its totient is φ = 31682016.

The previous prime is 40201339. The next prime is 40201349. The reversal of 40201343 is 34310204.

It is a cyclic number.

It is not a de Polignac number, because 40201343 - 22 = 40201339 is a prime.

It is a super-2 number, since 2×402013432 = 3232295958007298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40201349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27218 + ... + 28656.

It is an arithmetic number, because the mean of its divisors is an integer number (3104640).

Almost surely, 240201343 is an apocalyptic number.

40201343 is a deficient number, since it is larger than the sum of its proper divisors (9472897).

40201343 is a wasteful number, since it uses less digits than its factorization.

40201343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40201343 is about 6340.4529018044. The cubic root of 40201343 is about 342.5680487093.

Adding to 40201343 its reverse (34310204), we get a palindrome (74511547).

The spelling of 40201343 in words is "forty million, two hundred one thousand, three hundred forty-three".

Divisors: 1 7 13 91 307 1439 2149 3991 10073 18707 27937 130949 441773 3092411 5743049 40201343