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56123834 = 213171941163
BaseRepresentation
bin1101011000011…
…0000110111010
310220121101102112
43112012012322
5103331430314
65322532322
71251021224
oct326060672
9126541375
1056123834
1129753738
12169670a2
13b820890
14764d414
154dd943e
hex35861ba

56123834 has 64 divisors (see below), whose sum is σ = 104146560. Its totient is φ = 22394880.

The previous prime is 56123833. The next prime is 56123861. The reversal of 56123834 is 43832165.

56123834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56123834.

It is not an unprimeable number, because it can be changed into a prime (56123833) 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 31 ways as a sum of consecutive naturals, for example, 344237 + ... + 344399.

It is an arithmetic number, because the mean of its divisors is an integer number (1627290).

Almost surely, 256123834 is an apocalyptic number.

56123834 is a deficient number, since it is larger than the sum of its proper divisors (48022726).

56123834 is a wasteful number, since it uses less digits than its factorization.

56123834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its digits is 17280, while the sum is 32.

The square root of 56123834 is about 7491.5842116337. The cubic root of 56123834 is about 382.8680359878.

Adding to 56123834 its reverse (43832165), we get a palindrome (99955999).

The spelling of 56123834 in words is "fifty-six million, one hundred twenty-three thousand, eight hundred thirty-four".

Divisors: 1 2 13 17 19 26 34 38 41 82 163 221 247 323 326 442 494 533 646 697 779 1066 1394 1558 2119 2771 3097 4199 4238 5542 6194 6683 8398 9061 10127 13243 13366 18122 20254 26486 36023 40261 52649 72046 80522 86879 105298 113611 126977 172159 173758 227222 253954 344318 684437 1368874 1476943 1650701 2158609 2953886 3301402 4317218 28061917 56123834