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40471317 = 324496813
BaseRepresentation
bin1001101001100…
…0101100010101
32211011011012200
42122120230111
540330040232
64003235113
71001000115
oct232305425
984134180
1040471317
1120932777
1211678a99
138500233
145537045
15384677c
hex2698b15

40471317 has 6 divisors (see below), whose sum is σ = 58458582. Its totient is φ = 26980872.

The previous prime is 40471279. The next prime is 40471351. The reversal of 40471317 is 71317404.

It can be written as a sum of positive squares in only one way, i.e., 27468081 + 13003236 = 5241^2 + 3606^2 .

It is not a de Polignac number, because 40471317 - 26 = 40471253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40471117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2248398 + ... + 2248415.

It is an arithmetic number, because the mean of its divisors is an integer number (9743097).

Almost surely, 240471317 is an apocalyptic number.

It is an amenable number.

40471317 is a deficient number, since it is larger than the sum of its proper divisors (17987265).

40471317 is a wasteful number, since it uses less digits than its factorization.

40471317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496819 (or 4496816 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 40471317 is about 6361.7070822225. The cubic root of 40471317 is about 343.3331824132. Note that the first 3 decimals are identical.

The spelling of 40471317 in words is "forty million, four hundred seventy-one thousand, three hundred seventeen".

Divisors: 1 3 9 4496813 13490439 40471317