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26023842 = 236131373
BaseRepresentation
bin110001101000…
…1011110100010
31210222011000000
41203101132202
523130230332
62325440430
7434125155
oct143213642
953864000
1026023842
1113765109
128870116
135512230
143655c9c
152440b7c
hex18d17a2

26023842 has 56 divisors (see below), whose sum is σ = 63074844. Its totient is φ = 8001504.

The previous prime is 26023799. The next prime is 26023847. The reversal of 26023842 is 24832062.

It can be written as a sum of positive squares in 2 ways, for example, as 25492401 + 531441 = 5049^2 + 729^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (26023847) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18268 + ... + 19640.

Almost surely, 226023842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26023842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31537422).

26023842 is an abundant number, since it is smaller than the sum of its proper divisors (37051002).

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

26023842 is a wasteful number, since it uses less digits than its factorization.

26023842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 26023842 is about 5101.3568783217. The cubic root of 26023842 is about 296.3401328054.

The spelling of 26023842 in words is "twenty-six million, twenty-three thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 243 351 486 702 729 1053 1373 1458 2106 2746 3159 4119 6318 8238 9477 12357 17849 18954 24714 35698 37071 53547 74142 107094 111213 160641 222426 321282 333639 481923 667278 963846 1000917 1445769 2001834 2891538 4337307 8674614 13011921 26023842