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40054141 = 67597823
BaseRepresentation
bin1001100011001…
…0110101111101
32210100221221201
42120302311331
540223213031
63550255501
7664311631
oct230626575
983327851
1040054141
11206782a6
12114b7591
1383b539a
145468dc1
1537b2d61
hex2632d7d

40054141 has 4 divisors (see below), whose sum is σ = 40652032. Its totient is φ = 39456252.

The previous prime is 40054117. The next prime is 40054177. The reversal of 40054141 is 14145004.

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 40054141 - 225 = 6499709 is a prime.

It is a super-2 number, since 2×400541412 = 3208668422495762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40054241) 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, 298845 + ... + 298978.

It is an arithmetic number, because the mean of its divisors is an integer number (10163008).

Almost surely, 240054141 is an apocalyptic number.

It is an amenable number.

40054141 is a deficient number, since it is larger than the sum of its proper divisors (597891).

40054141 is an equidigital number, since it uses as much as digits as its factorization.

40054141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597890.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40054141 is about 6328.8340948393. The cubic root of 40054141 is about 342.1494194510.

Adding to 40054141 its reverse (14145004), we get a palindrome (54199145).

The spelling of 40054141 in words is "forty million, fifty-four thousand, one hundred forty-one".

Divisors: 1 67 597823 40054141