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23400026 = 213900001
BaseRepresentation
bin101100101000…
…0111001011010
31122000211210122
41121100321122
521442300101
62153313242
7402616436
oct131207132
948024718
1023400026
1112232871
127a05822
134b03b90
1431719c6
1520c351b
hex1650e5a

23400026 has 8 divisors (see below), whose sum is σ = 37800084. Its totient is φ = 10800000.

The previous prime is 23400023. The next prime is 23400029. The reversal of 23400026 is 62000432.

It is an interprime number because it is at equal distance from previous prime (23400023) and next prime (23400029).

It can be written as a sum of positive squares in 2 ways, for example, as 23377225 + 22801 = 4835^2 + 151^2 .

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

It is a super-2 number, since 2×234000262 = 1095122433601352, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23399977 and 23400013.

It is not an unprimeable number, because it can be changed into a prime (23400023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449975 + ... + 450026.

Almost surely, 223400026 is an apocalyptic number.

23400026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23400026 is a deficient number, since it is larger than the sum of its proper divisors (14400058).

23400026 is a wasteful number, since it uses less digits than its factorization.

23400026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900016.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23400026 is about 4837.3573363976. The cubic root of 23400026 is about 286.0259565338.

Adding to 23400026 its reverse (62000432), we get a palindrome (85400458).

The spelling of 23400026 in words is "twenty-three million, four hundred thousand, twenty-six".

Divisors: 1 2 13 26 900001 1800002 11700013 23400026