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26130029 = 372113347
BaseRepresentation
bin110001110101…
…1011001101101
31211011112122212
41203223121231
523142130104
62332020205
7435046562
oct143533155
954145585
1026130029
1113827972
128901665
13554b673
143682869
15246236e
hex18eb66d

26130029 has 8 divisors (see below), whose sum is σ = 26971488. Its totient is φ = 25295760.

The previous prime is 26130023. The next prime is 26130031. The reversal of 26130029 is 92003162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26130029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26129986 and 26130013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26130023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6134 + ... + 9480.

It is an arithmetic number, because the mean of its divisors is an integer number (3371436).

Almost surely, 226130029 is an apocalyptic number.

It is an amenable number.

26130029 is a deficient number, since it is larger than the sum of its proper divisors (841459).

26130029 is a wasteful number, since it uses less digits than its factorization.

26130029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 26130029 is about 5111.7540042533. The cubic root of 26130029 is about 296.7426453266.

The spelling of 26130029 in words is "twenty-six million, one hundred thirty thousand, twenty-nine".

Divisors: 1 37 211 3347 7807 123839 706217 26130029