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26247442 = 2137313829
BaseRepresentation
bin110010000100…
…0000100010010
31211101111201111
41210020010102
523204404232
62334323534
7436046104
oct144100422
954344644
1026247442
11138a8101
1289595aa
13558cc40
1436b3574
152487047
hex1908112

26247442 has 16 divisors (see below), whose sum is σ = 42983640. Its totient is φ = 11947392.

The previous prime is 26247437. The next prime is 26247491. The reversal of 26247442 is 24474262.

It can be written as a sum of positive squares in 4 ways, for example, as 14130081 + 12117361 = 3759^2 + 3481^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5017 + ... + 8812.

Almost surely, 226247442 is an apocalyptic number.

26247442 is a deficient number, since it is larger than the sum of its proper divisors (16736198).

26247442 is a wasteful number, since it uses less digits than its factorization.

26247442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13917.

The product of its digits is 21504, while the sum is 31.

The square root of 26247442 is about 5123.2257416593. The cubic root of 26247442 is about 297.1864436405.

The spelling of 26247442 in words is "twenty-six million, two hundred forty-seven thousand, four hundred forty-two".

Divisors: 1 2 13 26 73 146 949 1898 13829 27658 179777 359554 1009517 2019034 13123721 26247442