Search a number
-
+
40906074 = 23114713187
BaseRepresentation
bin1001110000001…
…0110101011010
32211222020120210
42130002311122
540432443244
64020431550
71004460456
oct234026532
984866523
1040906074
11210aa380
12118485b6
1386230a1
14560b666
1538d04b9
hex2702d5a

40906074 has 32 divisors (see below), whose sum is σ = 91155456. Its totient is φ = 12131120.

The previous prime is 40906049. The next prime is 40906079. The reversal of 40906074 is 47060904.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40906079) 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, 3492 + ... + 9695.

It is an arithmetic number, because the mean of its divisors is an integer number (2848608).

Almost surely, 240906074 is an apocalyptic number.

40906074 is an abundant number, since it is smaller than the sum of its proper divisors (50249382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40906074 is a wasteful number, since it uses less digits than its factorization.

40906074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13250.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40906074 is about 6395.7856436876. The cubic root of 40906074 is about 344.5582078685.

Adding to 40906074 its reverse (47060904), we get a palindrome (87966978).

The spelling of 40906074 in words is "forty million, nine hundred six thousand, seventy-four".

Divisors: 1 2 3 6 11 22 33 47 66 94 141 282 517 1034 1551 3102 13187 26374 39561 79122 145057 290114 435171 619789 870342 1239578 1859367 3718734 6817679 13635358 20453037 40906074