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40484143 = 723472381
BaseRepresentation
bin1001101001101…
…1110100101111
32211011210210201
42122123310233
540330443033
64003414331
71001052400
oct232336457
984153721
1040484143
1120941377
12116843a7
13850601b
14553b9a7
15384a47d
hex269bd2f

40484143 has 12 divisors (see below), whose sum is σ = 47249352. Its totient is φ = 34586160.

The previous prime is 40484111. The next prime is 40484149. The reversal of 40484143 is 34148404.

It is not a de Polignac number, because 40484143 - 25 = 40484111 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 (40484149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15813 + ... + 18193.

It is an arithmetic number, because the mean of its divisors is an integer number (3937446).

Almost surely, 240484143 is an apocalyptic number.

40484143 is a deficient number, since it is larger than the sum of its proper divisors (6765209).

40484143 is a wasteful number, since it uses less digits than its factorization.

40484143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 40484143 is about 6362.7150651275. The cubic root of 40484143 is about 343.3694478197.

The spelling of 40484143 in words is "forty million, four hundred eighty-four thousand, one hundred forty-three".

Divisors: 1 7 49 347 2381 2429 16667 17003 116669 826207 5783449 40484143