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26420430 = 235880681
BaseRepresentation
bin110010011001…
…0010011001110
31211201022000110
41210302103032
523230423210
62342140450
7440366331
oct144622316
954638013
1026420430
1113a06073
128a21726
1356208ba
14371a618
1524bd420
hex19324ce

26420430 has 16 divisors (see below), whose sum is σ = 63409104. Its totient is φ = 7045440.

The previous prime is 26420423. The next prime is 26420437. The reversal of 26420430 is 3402462.

It is an interprime number because it is at equal distance from previous prime (26420423) and next prime (26420437).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26420397 and 26420406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420437) 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, 440311 + ... + 440370.

It is an arithmetic number, because the mean of its divisors is an integer number (3963069).

Almost surely, 226420430 is an apocalyptic number.

26420430 is an abundant number, since it is smaller than the sum of its proper divisors (36988674).

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

26420430 is a wasteful number, since it uses less digits than its factorization.

26420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880691.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 26420430 is about 5140.0807386655. The cubic root of 26420430 is about 297.8378996180.

Adding to 26420430 its reverse (3402462), we get a palindrome (29822892).

The spelling of 26420430 in words is "twenty-six million, four hundred twenty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 880681 1761362 2642043 4403405 5284086 8806810 13210215 26420430