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40468697 = 142328439
BaseRepresentation
bin1001101001100…
…0000011011001
32211011000121122
42122120003121
540324444242
64003215025
71000656353
oct232300331
984130548
1040468697
1120930805
1211677475
1384cbc99
1455360d3
153845ad2
hex26980d9

40468697 has 4 divisors (see below), whose sum is σ = 40498560. Its totient is φ = 40438836.

The previous prime is 40468693. The next prime is 40468741. The reversal of 40468697 is 79686404.

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 40468697 - 22 = 40468693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40468693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12797 + ... + 15642.

It is an arithmetic number, because the mean of its divisors is an integer number (10124640).

Almost surely, 240468697 is an apocalyptic number.

It is an amenable number.

40468697 is a deficient number, since it is larger than the sum of its proper divisors (29863).

40468697 is a wasteful number, since it uses less digits than its factorization.

40468697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29862.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 40468697 is about 6361.5011593177. The cubic root of 40468697 is about 343.3257734429.

The spelling of 40468697 in words is "forty million, four hundred sixty-eight thousand, six hundred ninety-seven".

Divisors: 1 1423 28439 40468697