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102368444 = 2247544513
BaseRepresentation
bin1100001101000…
…00010010111100
321010121212002212
412012200102330
5202201242234
614054035552
72352055163
oct606402274
9233555085
10102368444
1152869a22
122a348bb8
1318292859
14d84a3da
158ec15ce
hex61a04bc

102368444 has 12 divisors (see below), whose sum is σ = 182956704. Its totient is φ = 50095104.

The previous prime is 102368443. The next prime is 102368459. The reversal of 102368444 is 444863201.

It is a super-2 number, since 2×1023684442 = 20958596653962272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102368444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102368443) 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, 272069 + ... + 272444.

It is an arithmetic number, because the mean of its divisors is an integer number (15246392).

Almost surely, 2102368444 is an apocalyptic number.

It is an amenable number.

102368444 is a deficient number, since it is larger than the sum of its proper divisors (80588260).

102368444 is a wasteful number, since it uses less digits than its factorization.

102368444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544564 (or 544562 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 102368444 is about 10117.7291918691. The cubic root of 102368444 is about 467.7947757268.

The spelling of 102368444 in words is "one hundred two million, three hundred sixty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 47 94 188 544513 1089026 2178052 25592111 51184222 102368444