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26434290 = 235881143
BaseRepresentation
bin110010011010…
…1101011110010
31211202000000210
41210311223302
523231344130
62342324550
7440454621
oct144655362
954660023
1026434290
1113a15523
128a29756
135626cbc
1437216b8
1524c25b0
hex1935af2

26434290 has 16 divisors (see below), whose sum is σ = 63442368. Its totient is φ = 7049136.

The previous prime is 26434273. The next prime is 26434327. The reversal of 26434290 is 9243462.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 881143 = 26434290 / (2 + 6 + 4 + 3 + 4 + 2 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440542 + ... + 440601.

It is an arithmetic number, because the mean of its divisors is an integer number (3965148).

Almost surely, 226434290 is an apocalyptic number.

26434290 is an abundant number, since it is smaller than the sum of its proper divisors (37008078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26434290 is a wasteful number, since it uses less digits than its factorization.

26434290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881153.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 26434290 is about 5141.4287897432. The cubic root of 26434290 is about 297.8899718421.

The spelling of 26434290 in words is "twenty-six million, four hundred thirty-four thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 881143 1762286 2643429 4405715 5286858 8811430 13217145 26434290