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102243044 = 2297263513
BaseRepresentation
bin1100001100000…
…01101011100100
321010101111002102
412012001223210
5202133234134
614051231232
72351023451
oct606015344
9233344072
10102243044
1152793792
122a2a8518
131824a757
14d816828
158e9937e
hex6181ae4

102243044 has 12 divisors (see below), whose sum is σ = 180770604. Its totient is φ = 50594304.

The previous prime is 102243019. The next prime is 102243059. The reversal of 102243044 is 440342201.

It can be written as a sum of positive squares in 2 ways, for example, as 79566400 + 22676644 = 8920^2 + 4762^2 .

It is an unprimeable number.

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, 131369 + ... + 132144.

It is an arithmetic number, because the mean of its divisors is an integer number (15064217).

Almost surely, 2102243044 is an apocalyptic number.

It is an amenable number.

102243044 is a deficient number, since it is larger than the sum of its proper divisors (78527560).

102243044 is a wasteful number, since it uses less digits than its factorization.

102243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263614 (or 263612 counting only the distinct ones).

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

The square root of 102243044 is about 10111.5302501649. The cubic root of 102243044 is about 467.6036835241.

Adding to 102243044 its reverse (440342201), we get a palindrome (542585245).

The spelling of 102243044 in words is "one hundred two million, two hundred forty-three thousand, forty-four".

Divisors: 1 2 4 97 194 388 263513 527026 1054052 25560761 51121522 102243044