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102488026 = 251244013
BaseRepresentation
bin1100001101111…
…01011111011010
321010211221010211
412012331133122
5202214104101
614100401334
72353063624
oct606753732
9233757124
10102488026
1152940853
122a3a624a
1318305104
14d87bc14
158ee6c51
hex61bd7da

102488026 has 4 divisors (see below), whose sum is σ = 153732042. Its totient is φ = 51244012.

The previous prime is 102488021. The next prime is 102488027. The reversal of 102488026 is 620884201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620884201 = 788697743.

It can be written as a sum of positive squares in only one way, i.e., 75707401 + 26780625 = 8701^2 + 5175^2 .

It is a super-3 number, since 3×1024880263 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102488021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25622005 + ... + 25622008.

Almost surely, 2102488026 is an apocalyptic number.

102488026 is a deficient number, since it is larger than the sum of its proper divisors (51244016).

102488026 is an equidigital number, since it uses as much as digits as its factorization.

102488026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51244015.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 102488026 is about 10123.6369946774. The cubic root of 102488026 is about 467.9768567950.

The spelling of 102488026 in words is "one hundred two million, four hundred eighty-eight thousand, twenty-six".

Divisors: 1 2 51244013 102488026