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40524469 is a prime number
BaseRepresentation
bin1001101010010…
…1101010110101
32211020212010021
42122211222311
540333240334
64004325141
71001311066
oct232455265
984225107
1040524469
11209696a7
12116a37b1
13851b49b
14554c56d
1538573b4
hex26a5ab5

40524469 has 2 divisors, whose sum is σ = 40524470. Its totient is φ = 40524468.

The previous prime is 40524461. The next prime is 40524479. The reversal of 40524469 is 96442504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28483569 + 12040900 = 5337^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 40524469 - 23 = 40524461 is a prime.

It is a super-2 number, since 2×405244692 = 3284465175463922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40524461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262234 + 20262235.

It is an arithmetic number, because the mean of its divisors is an integer number (20262235).

Almost surely, 240524469 is an apocalyptic number.

It is an amenable number.

40524469 is a deficient number, since it is larger than the sum of its proper divisors (1).

40524469 is an equidigital number, since it uses as much as digits as its factorization.

40524469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 40524469 is about 6365.8832065944. The cubic root of 40524469 is about 343.4834193678.

The spelling of 40524469 in words is "forty million, five hundred twenty-four thousand, four hundred sixty-nine".