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40113401 = 181221621
BaseRepresentation
bin1001100100000…
…1010011111001
32210110222020112
42121001103321
540232112101
63551434105
7664646456
oct231012371
983428215
1040113401
1120708879
1211525935
138406353
14548282d
1537c56bb
hex26414f9

40113401 has 4 divisors (see below), whose sum is σ = 40335204. Its totient is φ = 39891600.

The previous prime is 40113391. The next prime is 40113413. The reversal of 40113401 is 10431104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 31933801 = 2860^2 + 5651^2 .

It is a cyclic number.

It is not a de Polignac number, because 40113401 - 210 = 40112377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40113461) 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, 110630 + ... + 110991.

It is an arithmetic number, because the mean of its divisors is an integer number (10083801).

Almost surely, 240113401 is an apocalyptic number.

It is an amenable number.

40113401 is a deficient number, since it is larger than the sum of its proper divisors (221803).

40113401 is a wasteful number, since it uses less digits than its factorization.

40113401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221802.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40113401 is about 6333.5141114550. The cubic root of 40113401 is about 342.3180727037.

Adding to 40113401 its reverse (10431104), we get a palindrome (50544505).

The spelling of 40113401 in words is "forty million, one hundred thirteen thousand, four hundred one".

Divisors: 1 181 221621 40113401