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40410389 = 43992051
BaseRepresentation
bin1001101000100…
…1110100010101
32211001001122002
42122021310111
540321113024
64002045045
71000324355
oct232116425
984031562
1040410389
11208a0a18
1211649785
1384ab596
14551cb65
1538336ae
hex2689d15

40410389 has 4 divisors (see below), whose sum is σ = 40502880. Its totient is φ = 40317900.

The previous prime is 40410367. The next prime is 40410421. The reversal of 40410389 is 98301404.

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 40410389 - 216 = 40344853 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 (40410319) 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, 45587 + ... + 46464.

It is an arithmetic number, because the mean of its divisors is an integer number (10125720).

Almost surely, 240410389 is an apocalyptic number.

It is an amenable number.

40410389 is a deficient number, since it is larger than the sum of its proper divisors (92491).

40410389 is an equidigital number, since it uses as much as digits as its factorization.

40410389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92490.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40410389 is about 6356.9166267932. The cubic root of 40410389 is about 343.1608042792.

The spelling of 40410389 in words is "forty million, four hundred ten thousand, three hundred eighty-nine".

Divisors: 1 439 92051 40410389