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102004011 = 3223571863
BaseRepresentation
bin1100001010001…
…11010100101011
321002221100012100
412011013110223
5202103112021
614042144443
72346006534
oct605072453
9232840170
10102004011
115264013a
122a1b2123
1318195a05
14d79368b
158e4d626
hex614752b

102004011 has 24 divisors (see below), whose sum is σ = 154192896. Its totient is φ = 64856880.

The previous prime is 102004009. The next prime is 102004031. The reversal of 102004011 is 110400201.

It is a happy number.

It is not a de Polignac number, because 102004011 - 21 = 102004009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102003984 and 102004002.

It is not an unprimeable number, because it can be changed into a prime (102004031) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 117766 + ... + 118628.

It is an arithmetic number, because the mean of its divisors is an integer number (6424704).

Almost surely, 2102004011 is an apocalyptic number.

102004011 is a deficient number, since it is larger than the sum of its proper divisors (52188885).

102004011 is a wasteful number, since it uses less digits than its factorization.

102004011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 102004011 is about 10099.7035104997. The cubic root of 102004011 is about 467.2389971705.

Adding to 102004011 its reverse (110400201), we get a palindrome (212404212).

The spelling of 102004011 in words is "one hundred two million, four thousand, eleven".

Divisors: 1 3 9 23 69 207 571 863 1713 2589 5139 7767 13133 19849 39399 59547 118197 178641 492773 1478319 4434957 11333779 34001337 102004011