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104242340 = 22511874391
BaseRepresentation
bin1100011011010…
…01110010100100
321021011001121102
412031221302210
5203141223330
614202135232
72404021346
oct615516244
9237131542
10104242340
11539298a4
122aab1518
131879a777
14dbb7296
159241945
hex6369ca4

104242340 has 24 divisors (see below), whose sum is σ = 219143232. Its totient is φ = 41652320.

The previous prime is 104242309. The next prime is 104242343. The reversal of 104242340 is 43242401.

It is a super-3 number, since 3×1042423403 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (104242343) 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 7 ways as a sum of consecutive naturals, for example, 21545 + ... + 25935.

It is an arithmetic number, because the mean of its divisors is an integer number (9130968).

Almost surely, 2104242340 is an apocalyptic number.

104242340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104242340 is an abundant number, since it is smaller than the sum of its proper divisors (114900892).

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

104242340 is a wasteful number, since it uses less digits than its factorization.

104242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 104242340 is about 10209.9138096264. The cubic root of 104242340 is about 470.6319249939.

Adding to 104242340 its reverse (43242401), we get a palindrome (147484741).

The spelling of 104242340 in words is "one hundred four million, two hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1187 2374 4391 4748 5935 8782 11870 17564 21955 23740 43910 87820 5212117 10424234 20848468 26060585 52121170 104242340