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26197952 = 2611217199
BaseRepresentation
bin110001111101…
…1111111000000
31211021222211112
41203323333000
523201313302
62333302452
7435451604
oct143737700
954258745
1026197952
1113873a00
128934a28
135573561
14369d504
152477552
hex18fbfc0

26197952 has 84 divisors (see below), whose sum is σ = 60807600. Its totient is φ = 11151360.

The previous prime is 26197939. The next prime is 26197957. The reversal of 26197952 is 25979162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26197957) 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, 131549 + ... + 131747.

It is an arithmetic number, because the mean of its divisors is an integer number (723900).

Almost surely, 226197952 is an apocalyptic number.

26197952 is a gapful number since it is divisible by the number (22) 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 26197952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30403800).

26197952 is an abundant number, since it is smaller than the sum of its proper divisors (34609648).

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

26197952 is a wasteful number, since it uses less digits than its factorization.

26197952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 229 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 26197952 is about 5118.3934979640. The cubic root of 26197952 is about 296.9995427519. Note that the first 3 decimals are identical.

The spelling of 26197952 in words is "twenty-six million, one hundred ninety-seven thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 64 68 88 121 136 176 187 199 242 272 352 374 398 484 544 704 748 796 968 1088 1496 1592 1936 2057 2189 2992 3184 3383 3872 4114 4378 5984 6368 6766 7744 8228 8756 11968 12736 13532 16456 17512 24079 27064 32912 35024 37213 48158 54128 65824 70048 74426 96316 108256 131648 140096 148852 192632 216512 297704 385264 409343 595408 770528 818686 1190816 1541056 1637372 2381632 3274744 6549488 13098976 26197952