Search a number
-
+
40704158 = 21122371103
BaseRepresentation
bin1001101101000…
…1100010011110
32211120222121102
42123101202132
540410013113
64012233102
71002660005
oct233214236
984528542
1040704158
1120a81700
121176b792
138582201
145597c3c
153890758
hex26d189e

40704158 has 48 divisors (see below), whose sum is σ = 71705088. Its totient is φ = 17278800.

The previous prime is 40704151. The next prime is 40704161. The reversal of 40704158 is 85140704.

40704158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40704158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40704151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395135 + ... + 395237.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 240704158 is an apocalyptic number.

40704158 is a deficient number, since it is larger than the sum of its proper divisors (31000930).

40704158 is a wasteful number, since it uses less digits than its factorization.

40704158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 40704158 is about 6379.9810344546. The cubic root of 40704158 is about 343.9903492425.

It can be divided in two parts, 4070 and 4158, that added together give a palindrome (8228).

The spelling of 40704158 in words is "forty million, seven hundred four thousand, one hundred fifty-eight".

Divisors: 1 2 11 22 23 46 71 103 121 142 206 242 253 506 781 1133 1562 1633 2266 2369 2783 3266 4738 5566 7313 8591 12463 14626 17182 17963 24926 26059 35926 52118 80443 160886 168199 197593 286649 336398 395186 573298 884873 1769746 1850189 3700378 20352079 40704158