Search a number
-
+
40683797 = 7112831867
BaseRepresentation
bin1001101100110…
…0100100010101
32211112221200022
42123030210111
540403340142
64011554525
71002543440
oct233144425
984487608
1040683797
1120a68380
121175ba45
138575b6b
145590657
1538896d2
hex26cc915

40683797 has 16 divisors (see below), whose sum is σ = 50929152. Its totient is φ = 31572720.

The previous prime is 40683793. The next prime is 40683809. The reversal of 40683797 is 79738604.

It is a cyclic number.

It is not a de Polignac number, because 40683797 - 22 = 40683793 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40683793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20858 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (3183072).

Almost surely, 240683797 is an apocalyptic number.

It is an amenable number.

40683797 is a deficient number, since it is larger than the sum of its proper divisors (10245355).

40683797 is a wasteful number, since it uses less digits than its factorization.

40683797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 40683797 is about 6378.3851404568. The cubic root of 40683797 is about 343.9329828209.

The spelling of 40683797 in words is "forty million, six hundred eighty-three thousand, seven hundred ninety-seven".

Divisors: 1 7 11 77 283 1867 1981 3113 13069 20537 21791 143759 528361 3698527 5811971 40683797