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102246661 = 1123419857
BaseRepresentation
bin1100001100000…
…10100100000101
321010101200001101
412012002210011
5202133343121
614051300101
72351040136
oct606024405
9233350041
10102246661
1152796480
122a2aa631
131824c2aa
14d817c8d
158e9a491
hex6182905

102246661 has 16 divisors (see below), whose sum is σ = 119242368. Its totient is φ = 86732800.

The previous prime is 102246629. The next prime is 102246689. The reversal of 102246661 is 166642201.

It is not a de Polignac number, because 102246661 - 25 = 102246629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102246611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5445 + ... + 15301.

It is an arithmetic number, because the mean of its divisors is an integer number (7452648).

Almost surely, 2102246661 is an apocalyptic number.

102246661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102246661 is a deficient number, since it is larger than the sum of its proper divisors (16995707).

102246661 is a wasteful number, since it uses less digits than its factorization.

102246661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9932.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 102246661 is about 10111.7091038063. The cubic root of 102246661 is about 467.6091975180.

Adding to 102246661 its reverse (166642201), we get a palindrome (268888862).

The spelling of 102246661 in words is "one hundred two million, two hundred forty-six thousand, six hundred sixty-one".

Divisors: 1 11 23 41 253 451 943 9857 10373 108427 226711 404137 2493821 4445507 9295151 102246661