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40448241 = 34499361
BaseRepresentation
bin1001101001001…
…1000011110001
32211002222120000
42122103003301
540323320431
64002540213
71000542621
oct232230361
984088500
1040448241
11209173a9
1211667669
1384c2892
14552c881
15383e9e6
hex26930f1

40448241 has 10 divisors (see below), whose sum is σ = 60422802. Its totient is φ = 26965440.

The previous prime is 40448227. The next prime is 40448257. The reversal of 40448241 is 14284404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25401600 + 15046641 = 5040^2 + 3879^2 .

It is not a de Polignac number, because 40448241 - 214 = 40431857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40448201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 249600 + ... + 249761.

Almost surely, 240448241 is an apocalyptic number.

It is an amenable number.

40448241 is a deficient number, since it is larger than the sum of its proper divisors (19974561).

40448241 is an equidigital number, since it uses as much as digits as its factorization.

40448241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499373 (or 499364 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 40448241 is about 6359.8931594800. The cubic root of 40448241 is about 343.2679159201.

The spelling of 40448241 in words is "forty million, four hundred forty-eight thousand, two hundred forty-one".

Divisors: 1 3 9 27 81 499361 1498083 4494249 13482747 40448241