Search a number
-
+
26012630 = 257253087
BaseRepresentation
bin110001100111…
…0101111010110
31210221120121202
41203032233112
523124401010
62325312502
7434050400
oct143165726
953846552
1026012630
1113757746
128865732
13550a0b7
143651b70
15243c6a5
hex18cebd6

26012630 has 24 divisors (see below), whose sum is σ = 54468288. Its totient is φ = 8918448.

The previous prime is 26012629. The next prime is 26012633. The reversal of 26012630 is 3621062.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26012633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26054 + ... + 27033.

It is an arithmetic number, because the mean of its divisors is an integer number (2269512).

Almost surely, 226012630 is an apocalyptic number.

26012630 is an abundant number, since it is smaller than the sum of its proper divisors (28455658).

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

26012630 is a wasteful number, since it uses less digits than its factorization.

26012630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53108 (or 53101 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 26012630 is about 5100.2578366196. The cubic root of 26012630 is about 296.2975687233.

Adding to 26012630 its reverse (3621062), we get a palindrome (29633692).

The spelling of 26012630 in words is "twenty-six million, twelve thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 53087 106174 265435 371609 530870 743218 1858045 2601263 3716090 5202526 13006315 26012630