Search a number
-
+
40554213 = 3721092531
BaseRepresentation
bin1001101010110…
…0111011100101
32211022100220220
42122230323211
540340213323
64005114553
71001463600
oct232547345
984270826
1040554213
1120989a87
12116b8a59
13852bb9b
145559337
1538610e3
hex26acee5

40554213 has 24 divisors (see below), whose sum is σ = 63502560. Its totient is φ = 22952160.

The previous prime is 40554211. The next prime is 40554233. The reversal of 40554213 is 31245504.

It is not a de Polignac number, because 40554213 - 21 = 40554211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40554211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14758 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (2645940).

Almost surely, 240554213 is an apocalyptic number.

It is an amenable number.

40554213 is a deficient number, since it is larger than the sum of its proper divisors (22948347).

40554213 is a wasteful number, since it uses less digits than its factorization.

40554213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40554213 is about 6368.2189817876. The cubic root of 40554213 is about 343.5674350463.

Adding to 40554213 its reverse (31245504), we get a palindrome (71799717).

The spelling of 40554213 in words is "forty million, five hundred fifty-four thousand, two hundred thirteen".

Divisors: 1 3 7 21 49 109 147 327 763 2289 2531 5341 7593 16023 17717 53151 124019 275879 372057 827637 1931153 5793459 13518071 40554213