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26139107 = 318310159
BaseRepresentation
bin110001110110…
…1100111100011
31211012000010002
41203231213203
523142422412
62332130215
7435115211
oct143554743
954160102
1026139107
1113833775
12890696b
135552837
143685cb1
152464dc2
hex18ed9e3

26139107 has 8 divisors (see below), whose sum is σ = 27310080. Its totient is φ = 24988680.

The previous prime is 26139083. The next prime is 26139133. The reversal of 26139107 is 70193162.

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

It is a cyclic number.

It is not a de Polignac number, because 26139107 - 216 = 26073571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26139107.

It is not an unprimeable number, because it can be changed into a prime (26139167) 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, 2507 + ... + 7652.

It is an arithmetic number, because the mean of its divisors is an integer number (3413760).

Almost surely, 226139107 is an apocalyptic number.

26139107 is a deficient number, since it is larger than the sum of its proper divisors (1170973).

26139107 is a wasteful number, since it uses less digits than its factorization.

26139107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 26139107 is about 5112.6418806719. The cubic root of 26139107 is about 296.7770057660. Note that the first 3 decimals are identical.

The spelling of 26139107 in words is "twenty-six million, one hundred thirty-nine thousand, one hundred seven".

Divisors: 1 31 83 2573 10159 314929 843197 26139107