Search a number
-
+
40223463 = 372273629
BaseRepresentation
bin1001100101110…
…0001011100111
32210200120012220
42121130023213
540244122323
63554043423
7665615400
oct231341347
983616186
1040223463
1120783535
1211579573
138444487
1454b09a7
1537e80e3
hex265c2e7

40223463 has 12 divisors (see below), whose sum is σ = 62387640. Its totient is φ = 22984752.

The previous prime is 40223441. The next prime is 40223471. The reversal of 40223463 is 36432204.

It is a happy number.

It is not a de Polignac number, because 40223463 - 25 = 40223431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136668 + ... + 136961.

It is an arithmetic number, because the mean of its divisors is an integer number (5198970).

Almost surely, 240223463 is an apocalyptic number.

40223463 is a deficient number, since it is larger than the sum of its proper divisors (22164177).

40223463 is a wasteful number, since it uses less digits than its factorization.

40223463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273646 (or 273639 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40223463 is about 6342.1970168073. The cubic root of 40223463 is about 342.6308676376.

Adding to 40223463 its reverse (36432204), we get a palindrome (76655667).

The spelling of 40223463 in words is "forty million, two hundred twenty-three thousand, four hundred sixty-three".

Divisors: 1 3 7 21 49 147 273629 820887 1915403 5746209 13407821 40223463