Search a number
-
+
26198208 = 263315161
BaseRepresentation
bin110001111110…
…0000011000000
31211022000012000
41203330003000
523201320313
62333304000
7435452421
oct143740300
954260160
1026198208
1113874113
128935000
1355736ca
14369d648
152477673
hex18fc0c0

26198208 has 56 divisors (see below), whose sum is σ = 77022960. Its totient is φ = 8732160.

The previous prime is 26198197. The next prime is 26198209. The reversal of 26198208 is 80289162.

It is a super-2 number, since 2×261982082 = 1372692204822528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (26198209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5853 + ... + 9308.

It is an arithmetic number, because the mean of its divisors is an integer number (1375410).

Almost surely, 226198208 is an apocalyptic number.

It is an amenable number.

26198208 is an abundant number, since it is smaller than the sum of its proper divisors (50824752).

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

26198208 is a wasteful number, since it uses less digits than its factorization.

26198208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15182 (or 15166 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 26198208 is about 5118.4185057496. The cubic root of 26198208 is about 297.0005101511. Note that the first 3 decimals are identical.

The spelling of 26198208 in words is "twenty-six million, one hundred ninety-eight thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 15161 30322 45483 60644 90966 121288 136449 181932 242576 272898 363864 409347 485152 545796 727728 818694 970304 1091592 1455456 1637388 2183184 2910912 3274776 4366368 6549552 8732736 13099104 26198208