Search a number
-
+
40747343 = 7131923567
BaseRepresentation
bin1001101101110…
…0000101001111
32211200011211212
42123130011033
540412403333
64013205035
71003226630
oct233340517
984604755
1040747343
112100109a
121179077b
138598a70
1455a9887
15389d448
hex26dc14f

40747343 has 16 divisors (see below), whose sum is σ = 52792320. Its totient is φ = 30541536.

The previous prime is 40747337. The next prime is 40747373. The reversal of 40747343 is 34374704.

It is a cyclic number.

It is not a de Polignac number, because 40747343 - 28 = 40747087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40747373) 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, 10055 + ... + 13512.

It is an arithmetic number, because the mean of its divisors is an integer number (3299520).

Almost surely, 240747343 is an apocalyptic number.

40747343 is a deficient number, since it is larger than the sum of its proper divisors (12044977).

40747343 is a wasteful number, since it uses less digits than its factorization.

40747343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23606.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 40747343 is about 6383.3645517078. The cubic root of 40747343 is about 344.1119582174. Note that the first 3 decimals are identical.

The spelling of 40747343 in words is "forty million, seven hundred forty-seven thousand, three hundred forty-three".

Divisors: 1 7 13 19 91 133 247 1729 23567 164969 306371 447773 2144597 3134411 5821049 40747343