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102422648 = 2312802831
BaseRepresentation
bin1100001101011…
…01100001111000
321010201121110102
412012231201320
5202210011043
614055134532
72352402206
oct606554170
9233647412
10102422648
11528a6719
122a374448
13182b1423
14d862076
158ed26b8
hex61ad878

102422648 has 8 divisors (see below), whose sum is σ = 192042480. Its totient is φ = 51211320.

The previous prime is 102422609. The next prime is 102422681. The reversal of 102422648 is 846224201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 102422648.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6401408 + ... + 6401423.

It is an arithmetic number, because the mean of its divisors is an integer number (24005310).

Almost surely, 2102422648 is an apocalyptic number.

It is an amenable number.

102422648 is a deficient number, since it is larger than the sum of its proper divisors (89619832).

102422648 is a wasteful number, since it uses less digits than its factorization.

102422648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802837 (or 12802833 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 102422648 is about 10120.4075016770. The cubic root of 102422648 is about 467.8773267974.

Adding to 102422648 its reverse (846224201), we get a palindrome (948646849).

The spelling of 102422648 in words is "one hundred two million, four hundred twenty-two thousand, six hundred forty-eight".

Divisors: 1 2 4 8 12802831 25605662 51211324 102422648