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26140324 = 2272197677
BaseRepresentation
bin110001110110…
…1111010100100
31211012001210011
41203231322210
523142442244
62332140004
7435121600
oct143557244
954161704
1026140324
1113834681
128907604
135553262
143686500
152465434
hex18edea4

26140324 has 36 divisors (see below), whose sum is σ = 53563356. Its totient is φ = 11129664.

The previous prime is 26140313. The next prime is 26140327. The reversal of 26140324 is 42304162.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25826724 + 313600 = 5082^2 + 560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26140295 and 26140304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26140327) 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, 38274 + ... + 38950.

It is an arithmetic number, because the mean of its divisors is an integer number (1487871).

Almost surely, 226140324 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 26140324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26781678).

26140324 is an abundant number, since it is smaller than the sum of its proper divisors (27423032).

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

26140324 is a wasteful number, since it uses less digits than its factorization.

26140324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 26140324 is about 5112.7608979885. The cubic root of 26140324 is about 296.7816115343.

Adding to 26140324 its reverse (42304162), we get a palindrome (68444486).

The spelling of 26140324 in words is "twenty-six million, one hundred forty thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 197 394 677 788 1354 1379 2708 2758 4739 5516 9478 9653 18956 19306 33173 38612 66346 132692 133369 266738 533476 933583 1867166 3734332 6535081 13070162 26140324