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26430146 = 253249341
BaseRepresentation
bin110010011010…
…0101011000010
31211201210100022
41210310223002
523231231041
62342253442
7440436551
oct144645302
954653308
1026430146
1113a123a6
128a27282
135625152
14371dd98
1524c124b
hex1934ac2

26430146 has 8 divisors (see below), whose sum is σ = 40393404. Its totient is φ = 12965680.

The previous prime is 26430143. The next prime is 26430179. The reversal of 26430146 is 64103462.

It can be written as a sum of positive squares in 2 ways, for example, as 25452025 + 978121 = 5045^2 + 989^2 .

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

It is not an unprimeable number, because it can be changed into a prime (26430143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124565 + ... + 124776.

Almost surely, 226430146 is an apocalyptic number.

26430146 is a deficient number, since it is larger than the sum of its proper divisors (13963258).

26430146 is a wasteful number, since it uses less digits than its factorization.

26430146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249396.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 26430146 is about 5141.0257731313. The cubic root of 26430146 is about 297.8744046809.

The spelling of 26430146 in words is "twenty-six million, four hundred thirty thousand, one hundred forty-six".

Divisors: 1 2 53 106 249341 498682 13215073 26430146