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26057001 = 38685667
BaseRepresentation
bin110001101100…
…1100100101001
31211000211111010
41203121210221
523132311001
62330254133
7434323635
oct143314451
954024433
1026057001
1113788013
128887349
135524359
143663dc5
15244a8d6
hex18d9929

26057001 has 4 divisors (see below), whose sum is σ = 34742672. Its totient is φ = 17371332.

The previous prime is 26056997. The next prime is 26057021. The reversal of 26057001 is 10075062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26057001 - 22 = 26056997 is a prime.

It is a super-2 number, since 2×260570012 = 1357934602228002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26057021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4342831 + ... + 4342836.

It is an arithmetic number, because the mean of its divisors is an integer number (8685668).

Almost surely, 226057001 is an apocalyptic number.

It is an amenable number.

26057001 is a deficient number, since it is larger than the sum of its proper divisors (8685671).

26057001 is an equidigital number, since it uses as much as digits as its factorization.

26057001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685670.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 26057001 is about 5104.6058613766. The cubic root of 26057001 is about 296.4659427187.

The spelling of 26057001 in words is "twenty-six million, fifty-seven thousand, one".

Divisors: 1 3 8685667 26057001