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26825320 = 23517103383
BaseRepresentation
bin110011001010…
…1001001101000
31212110212102101
41212111021220
523331402240
62354543144
7444003634
oct146251150
955425371
1026825320
1114162295
128b97ab4
135732c92
1437c3dc4
15254d39a
hex1995268

26825320 has 64 divisors (see below), whose sum is σ = 64696320. Its totient is φ = 9974784.

The previous prime is 26825273. The next prime is 26825327. The reversal of 26825320 is 2352862.

It is not an unprimeable number, because it can be changed into a prime (26825327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69849 + ... + 70231.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 226825320 is an apocalyptic number.

26825320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26825320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32348160).

26825320 is an abundant number, since it is smaller than the sum of its proper divisors (37871000).

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

26825320 is a wasteful number, since it uses less digits than its factorization.

26825320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 26825320 is about 5179.3165572303. The cubic root of 26825320 is about 299.3516367970.

The spelling of 26825320 in words is "twenty-six million, eight hundred twenty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 103 136 170 206 340 383 412 515 680 766 824 1030 1532 1751 1915 2060 3064 3502 3830 4120 6511 7004 7660 8755 13022 14008 15320 17510 26044 32555 35020 39449 52088 65110 70040 78898 130220 157796 197245 260440 315592 394490 670633 788980 1341266 1577960 2682532 3353165 5365064 6706330 13412660 26825320