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40084761 = 313361587
BaseRepresentation
bin1001100011101…
…0010100011001
32210102111221210
42120322110121
540230203021
63551053333
7664500123
oct230722431
983374853
1040084761
1120699302
1211511249
1383c62c2
145476213
1537bbe76
hex263a519

40084761 has 4 divisors (see below), whose sum is σ = 53446352. Its totient is φ = 26723172.

The previous prime is 40084753. The next prime is 40084763. The reversal of 40084761 is 16748004.

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 not a de Polignac number, because 40084761 - 23 = 40084753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40084763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6680791 + ... + 6680796.

It is an arithmetic number, because the mean of its divisors is an integer number (13361588).

Almost surely, 240084761 is an apocalyptic number.

It is an amenable number.

40084761 is a deficient number, since it is larger than the sum of its proper divisors (13361591).

40084761 is a wasteful number, since it uses less digits than its factorization.

40084761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13361590.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40084761 is about 6331.2527196440. The cubic root of 40084761 is about 342.2365843602.

The spelling of 40084761 in words is "forty million, eighty-four thousand, seven hundred sixty-one".

Divisors: 1 3 13361587 40084761