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40844053 = 192149687
BaseRepresentation
bin1001101111001…
…1101100010101
32211212002111201
42123303230111
540424002203
64015232501
71004111605
oct233635425
984762451
1040844053
1121067818
1211818731
138600aa3
1455d2c05
1538bbe1d
hex26f3b15

40844053 has 4 divisors (see below), whose sum is σ = 42993760. Its totient is φ = 38694348.

The previous prime is 40844039. The next prime is 40844057. The reversal of 40844053 is 35044804.

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 40844053 - 29 = 40843541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40844057) 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, 1074825 + ... + 1074862.

It is an arithmetic number, because the mean of its divisors is an integer number (10748440).

Almost surely, 240844053 is an apocalyptic number.

It is an amenable number.

40844053 is a deficient number, since it is larger than the sum of its proper divisors (2149707).

40844053 is a wasteful number, since it uses less digits than its factorization.

40844053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149706.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40844053 is about 6390.9352210768. The cubic root of 40844053 is about 344.3839822844.

Adding to 40844053 its reverse (35044804), we get a palindrome (75888857).

The spelling of 40844053 in words is "forty million, eight hundred forty-four thousand, fifty-three".

Divisors: 1 19 2149687 40844053