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40092493 = 77180669
BaseRepresentation
bin1001100011110…
…0001101001101
32210102220120011
42120330031031
540230424433
63551153221
7664531510
oct230741515
983386504
1040092493
11206a40a1
1211515811
1383c998c
145478d77
1537be3cd
hex263c34d

40092493 has 8 divisors (see below), whose sum is σ = 46465920. Its totient is φ = 33880560.

The previous prime is 40092461. The next prime is 40092499. The reversal of 40092493 is 39429004.

40092493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40092493 - 25 = 40092461 is a prime.

It is a super-3 number, since 3×400924933 (a number of 24 digits) contains 333 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 (40092499) 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 7 ways as a sum of consecutive naturals, for example, 39838 + ... + 40831.

It is an arithmetic number, because the mean of its divisors is an integer number (5808240).

Almost surely, 240092493 is an apocalyptic number.

It is an amenable number.

40092493 is a deficient number, since it is larger than the sum of its proper divisors (6373427).

40092493 is an equidigital number, since it uses as much as digits as its factorization.

40092493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80747.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40092493 is about 6331.8633118538. The cubic root of 40092493 is about 342.2585877607.

The spelling of 40092493 in words is "forty million, ninety-two thousand, four hundred ninety-three".

Divisors: 1 7 71 497 80669 564683 5727499 40092493