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40965469 = 103397723
BaseRepresentation
bin1001110001000…
…1010101011101
32212002021001121
42130101111131
540441343334
64022010541
71005125566
oct234212535
985067047
1040965469
112113aa66
1211876a51
13864412c
14562516d
1538e2db4
hex271155d

40965469 has 4 divisors (see below), whose sum is σ = 41363296. Its totient is φ = 40567644.

The previous prime is 40965467. The next prime is 40965473. The reversal of 40965469 is 96456904.

It is a happy number.

40965469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40965469 - 21 = 40965467 is a prime.

It is a super-2 number, since 2×409654692 = 3356339300779922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40965467) 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 3 ways as a sum of consecutive naturals, for example, 198759 + ... + 198964.

It is an arithmetic number, because the mean of its divisors is an integer number (10340824).

Almost surely, 240965469 is an apocalyptic number.

It is an amenable number.

40965469 is a deficient number, since it is larger than the sum of its proper divisors (397827).

40965469 is a wasteful number, since it uses less digits than its factorization.

40965469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397826.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 40965469 is about 6400.4272513638. The cubic root of 40965469 is about 344.7248916537.

The spelling of 40965469 in words is "forty million, nine hundred sixty-five thousand, four hundred sixty-nine".

Divisors: 1 103 397723 40965469