Search a number
-
+
26415020 = 2251320751
BaseRepresentation
bin110010011000…
…0111110101100
31211201000121002
41210300332230
523230240040
62342055432
7440344502
oct144607654
954630532
1026415020
1113a01aa5
128a1a578
13561b2b8
143718672
1524bba15
hex1930fac

26415020 has 12 divisors (see below), whose sum is σ = 55471584. Its totient is φ = 10566000.

The previous prime is 26415001. The next prime is 26415043. The reversal of 26415020 is 2051462.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1320751 = 26415020 / (2 + 6 + 4 + 1 + 5 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 26414983 and 26415001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660356 + ... + 660395.

It is an arithmetic number, because the mean of its divisors is an integer number (4622632).

Almost surely, 226415020 is an apocalyptic number.

26415020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26415020 is an abundant number, since it is smaller than the sum of its proper divisors (29056564).

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

26415020 is a wasteful number, since it uses less digits than its factorization.

26415020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320760 (or 1320758 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 26415020 is about 5139.5544553979. The cubic root of 26415020 is about 297.8175692269.

Adding to 26415020 its reverse (2051462), we get a palindrome (28466482).

The spelling of 26415020 in words is "twenty-six million, four hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 1320751 2641502 5283004 6603755 13207510 26415020