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102145064 = 2371996001
BaseRepresentation
bin1100001011010…
…01110000101000
321010012111200112
412011221300220
5202122120224
614045153452
72350135010
oct605516050
9233174615
10102145064
115272710a
122a25b888
1318214c88
14d7ccc40
158e7a30e
hex6169c28

102145064 has 32 divisors (see below), whose sum is σ = 230404800. Its totient is φ = 41472000.

The previous prime is 102145009. The next prime is 102145079. The reversal of 102145064 is 460541201.

It is a super-2 number, since 2×1021450642 = 20867228199128192, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 46937 + ... + 49064.

It is an arithmetic number, because the mean of its divisors is an integer number (7200150).

Almost surely, 2102145064 is an apocalyptic number.

102145064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102145064 is an abundant number, since it is smaller than the sum of its proper divisors (128259736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102145064 is a wasteful number, since it uses less digits than its factorization.

102145064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96033 (or 96029 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 102145064 is about 10106.6841248750. The cubic root of 102145064 is about 467.4542668333.

Adding to 102145064 its reverse (460541201), we get a palindrome (562686265).

The spelling of 102145064 in words is "one hundred two million, one hundred forty-five thousand, sixty-four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 96001 192002 384004 672007 768008 1344014 1824019 2688028 3648038 5376056 7296076 12768133 14592152 25536266 51072532 102145064