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102305378 = 277307527
BaseRepresentation
bin1100001100100…
…00111001100010
321010111122121002
412012100321202
5202142233003
614052432002
72351403260
oct606207142
9233448532
10102305378
11528265aa
122a318602
131826cc36
14d831430
158eaca88
hex6190e62

102305378 has 8 divisors (see below), whose sum is σ = 175380672. Its totient is φ = 43845156.

The previous prime is 102305377. The next prime is 102305381. The reversal of 102305378 is 873503201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102305378.

It is not an unprimeable number, because it can be changed into a prime (102305377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3653750 + ... + 3653777.

It is an arithmetic number, because the mean of its divisors is an integer number (21922584).

Almost surely, 2102305378 is an apocalyptic number.

102305378 is a deficient number, since it is larger than the sum of its proper divisors (73075294).

102305378 is an equidigital number, since it uses as much as digits as its factorization.

102305378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307536.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 102305378 is about 10114.6121032890. The cubic root of 102305378 is about 467.6986914107.

Adding to 102305378 its reverse (873503201), we get a palindrome (975808579).

The spelling of 102305378 in words is "one hundred two million, three hundred five thousand, three hundred seventy-eight".

Divisors: 1 2 7 14 7307527 14615054 51152689 102305378