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26920246 = 213460123
BaseRepresentation
bin110011010110…
…0010100110110
31212122200122011
41212230110312
523342421441
62400554434
7444550453
oct146542466
955580564
1026920246
1114217641
129022a1a
135767252
14380a82a
15256b581
hex19ac536

26920246 has 4 divisors (see below), whose sum is σ = 40380372. Its totient is φ = 13460122.

The previous prime is 26920217. The next prime is 26920249. The reversal of 26920246 is 64202962.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26920249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6730060 + ... + 6730063.

It is an arithmetic number, because the mean of its divisors is an integer number (10095093).

Almost surely, 226920246 is an apocalyptic number.

26920246 is a deficient number, since it is larger than the sum of its proper divisors (13460126).

26920246 is a wasteful number, since it uses less digits than its factorization.

26920246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460125.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 26920246 is about 5188.4724148828. The cubic root of 26920246 is about 299.7043234952.

The spelling of 26920246 in words is "twenty-six million, nine hundred twenty thousand, two hundred forty-six".

Divisors: 1 2 13460123 26920246