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40476231 = 324497359
BaseRepresentation
bin1001101001100…
…1111001000111
32211011101221200
42122121321013
540330214411
64003313543
71001020335
oct232317107
984141850
1040476231
1120936434
121167b8b3
138502543
145538b55
153847e56
hex2699e47

40476231 has 6 divisors (see below), whose sum is σ = 58465680. Its totient is φ = 26984148.

The previous prime is 40476229. The next prime is 40476253. The reversal of 40476231 is 13267404.

It is not a de Polignac number, because 40476231 - 21 = 40476229 is a prime.

It is a super-2 number, since 2×404762312 = 3276650551930722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40476195 and 40476204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40476131) 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, 2248671 + ... + 2248688.

It is an arithmetic number, because the mean of its divisors is an integer number (9744280).

Almost surely, 240476231 is an apocalyptic number.

40476231 is a deficient number, since it is larger than the sum of its proper divisors (17989449).

40476231 is a wasteful number, since it uses less digits than its factorization.

40476231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497365 (or 4497362 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40476231 is about 6362.0932875902. The cubic root of 40476231 is about 343.3470776119.

The spelling of 40476231 in words is "forty million, four hundred seventy-six thousand, two hundred thirty-one".

Divisors: 1 3 9 4497359 13492077 40476231