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40457271 = 347833457
BaseRepresentation
bin1001101001010…
…1010000110111
32211010102221110
42122111100313
540324113041
64003050103
71000611141
oct232252067
984112843
1040457271
1120923168
1211670933
1384c6a1a
145531c91
153842516
hex2695437

40457271 has 16 divisors (see below), whose sum is σ = 55770624. Its totient is φ = 26072064.

The previous prime is 40457269. The next prime is 40457273. The reversal of 40457271 is 17275404.

40457271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40457269) and next prime (40457273).

It is not a de Polignac number, because 40457271 - 21 = 40457269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40457273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9975 + ... + 13431.

It is an arithmetic number, because the mean of its divisors is an integer number (3485664).

Almost surely, 240457271 is an apocalyptic number.

40457271 is a deficient number, since it is larger than the sum of its proper divisors (15313353).

40457271 is a wasteful number, since it uses less digits than its factorization.

40457271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 40457271 is about 6360.6030374486. The cubic root of 40457271 is about 343.2934586760.

It can be divided in two parts, 404 and 57271, that added together give a palindrome (57675).

The spelling of 40457271 in words is "forty million, four hundred fifty-seven thousand, two hundred seventy-one".

Divisors: 1 3 47 83 141 249 3457 3901 10371 11703 162479 286931 487437 860793 13485757 40457271