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40014623 = 113637693
BaseRepresentation
bin1001100010100…
…1001100011111
32210021221202002
42120221030133
540220431443
63545352515
7664055465
oct230511437
983257662
1040014623
1120650640
121149873b
1383a03bc
145458835
1537a62b8
hex262931f

40014623 has 4 divisors (see below), whose sum is σ = 43652328. Its totient is φ = 36376920.

The previous prime is 40014613. The next prime is 40014631. The reversal of 40014623 is 32641004.

It is a happy number.

40014623 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.

It is a cyclic number.

It is not a de Polignac number, because 40014623 - 216 = 39949087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40014595 and 40014604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40014613) 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, 1818836 + ... + 1818857.

It is an arithmetic number, because the mean of its divisors is an integer number (10913082).

Almost surely, 240014623 is an apocalyptic number.

40014623 is a deficient number, since it is larger than the sum of its proper divisors (3637705).

40014623 is a wasteful number, since it uses less digits than its factorization.

40014623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637704.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40014623 is about 6325.7112643560. The cubic root of 40014623 is about 342.0368592217.

Adding to 40014623 its reverse (32641004), we get a palindrome (72655627).

The spelling of 40014623 in words is "forty million, fourteen thousand, six hundred twenty-three".

Divisors: 1 11 3637693 40014623