Search a number
-
+
40552141 = 75793163
BaseRepresentation
bin1001101010110…
…0011011001101
32211022021002011
42122230123031
540340132031
64005101221
71001454550
oct232543315
984267064
1040552141
1120988473
12116b7811
13852ac66
145558697
1538606b1
hex26ac6cd

40552141 has 4 divisors (see below), whose sum is σ = 46345312. Its totient is φ = 34758972.

The previous prime is 40552103. The next prime is 40552153. The reversal of 40552141 is 14125504.

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 40552141 - 219 = 40027853 is a prime.

It is a super-4 number, since 4×405521414 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40552241) 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, 2896575 + ... + 2896588.

It is an arithmetic number, because the mean of its divisors is an integer number (11586328).

Almost surely, 240552141 is an apocalyptic number.

It is an amenable number.

40552141 is a deficient number, since it is larger than the sum of its proper divisors (5793171).

40552141 is an equidigital number, since it uses as much as digits as its factorization.

40552141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793170.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 40552141 is about 6368.0562968617. The cubic root of 40552141 is about 343.5615837524.

Adding to 40552141 its reverse (14125504), we get a palindrome (54677645).

The spelling of 40552141 in words is "forty million, five hundred fifty-two thousand, one hundred forty-one".

Divisors: 1 7 5793163 40552141