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26368428 = 22317196803
BaseRepresentation
bin110010010010…
…1100110101100
31211121122200110
41210211212230
523222242203
62341100020
7440061612
oct144454654
954548613
1026368428
111397aa99
1289b7610
135603028
1437056b2
1524acd03
hex19259ac

26368428 has 48 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 7835904.

The previous prime is 26368427. The next prime is 26368429. The reversal of 26368428 is 82486362.

It is an interprime number because it is at equal distance from previous prime (26368427) and next prime (26368429).

It is not an unprimeable number, because it can be changed into a prime (26368421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475 + ... + 7277.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 226368428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26368428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34292160).

26368428 is an abundant number, since it is smaller than the sum of its proper divisors (42215892).

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

26368428 is a wasteful number, since it uses less digits than its factorization.

26368428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846 (or 6844 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 26368428 is about 5135.0197662716. The cubic root of 26368428 is about 297.6423648354.

It can be divided in two parts, 26368 and 428, that added together give a triangular number (26796 = T231).

The spelling of 26368428 in words is "twenty-six million, three hundred sixty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 17 19 34 38 51 57 68 76 102 114 204 228 323 646 969 1292 1938 3876 6803 13606 20409 27212 40818 81636 115651 129257 231302 258514 346953 387771 462604 517028 693906 775542 1387812 1551084 2197369 4394738 6592107 8789476 13184214 26368428