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40844401 = 133141877
BaseRepresentation
bin1001101111001…
…1110001110001
32211212002222121
42123303301301
540424010101
64015234241
71004112613
oct233636161
984762877
1040844401
1121068004
1211818981
138600cb0
1455d2db3
1538bc0a1
hex26f3c71

40844401 has 4 divisors (see below), whose sum is σ = 43986292. Its totient is φ = 37702512.

The previous prime is 40844381. The next prime is 40844413. The reversal of 40844401 is 10444804.

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 4844401 + 36000000 = 2201^2 + 6000^2 .

It is a cyclic number.

It is not a de Polignac number, because 40844401 - 27 = 40844273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40844431) 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, 1570926 + ... + 1570951.

It is an arithmetic number, because the mean of its divisors is an integer number (10996573).

Almost surely, 240844401 is an apocalyptic number.

It is an amenable number.

40844401 is a deficient number, since it is larger than the sum of its proper divisors (3141891).

40844401 is a wasteful number, since it uses less digits than its factorization.

40844401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141890.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 40844401 is about 6390.9624470810. The cubic root of 40844401 is about 344.3849603565.

It can be divided in two parts, 4084440 and 1, that added together give a square (4084441 = 20212).

The spelling of 40844401 in words is "forty million, eight hundred forty-four thousand, four hundred one".

Divisors: 1 13 3141877 40844401