Search a number
-
+
40820273 = 1331199509
BaseRepresentation
bin1001101110110…
…1111000110001
32211210212212222
42123231320301
540422222043
64014530425
71003652354
oct233557061
984725788
1040820273
112105096a
1211806a15
1385c3010
1455c829b
1538b4d68
hex26ede31

40820273 has 16 divisors (see below), whose sum is σ = 45696000. Its totient is φ = 36210240.

The previous prime is 40820249. The next prime is 40820279. The reversal of 40820273 is 37202804.

It is a cyclic number.

It is not a de Polignac number, because 40820273 - 216 = 40754737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40820279) 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, 79943 + ... + 80451.

It is an arithmetic number, because the mean of its divisors is an integer number (2856000).

Almost surely, 240820273 is an apocalyptic number.

It is an amenable number.

40820273 is a deficient number, since it is larger than the sum of its proper divisors (4875727).

40820273 is a wasteful number, since it uses less digits than its factorization.

40820273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40820273 is about 6389.0745026177. The cubic root of 40820273 is about 344.3171341931.

The spelling of 40820273 in words is "forty million, eight hundred twenty thousand, two hundred seventy-three".

Divisors: 1 13 31 199 403 509 2587 6169 6617 15779 80197 101291 205127 1316783 3140021 40820273