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40132441 = 65960899
BaseRepresentation
bin1001100100010…
…1111101011001
32210111221100201
42121011331121
540233214231
63552102201
7665056126
oct231057531
983457321
1040132441
1120721108
1211534961
138411c0b
14548974d
1537cb161
hex2645f59

40132441 has 4 divisors (see below), whose sum is σ = 40194000. Its totient is φ = 40070884.

The previous prime is 40132439. The next prime is 40132511. The reversal of 40132441 is 14423104.

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 40132441 - 21 = 40132439 is a prime.

It is a super-2 number, since 2×401324412 = 3221225641236962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40136441) 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, 29791 + ... + 31108.

It is an arithmetic number, because the mean of its divisors is an integer number (10048500).

Almost surely, 240132441 is an apocalyptic number.

It is an amenable number.

40132441 is a deficient number, since it is larger than the sum of its proper divisors (61559).

40132441 is an equidigital number, since it uses as much as digits as its factorization.

40132441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61558.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40132441 is about 6335.0170481223. The cubic root of 40132441 is about 342.3722250567.

Adding to 40132441 its reverse (14423104), we get a palindrome (54555545).

The spelling of 40132441 in words is "forty million, one hundred thirty-two thousand, four hundred forty-one".

Divisors: 1 659 60899 40132441