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26472138 = 2371125209
BaseRepresentation
bin110010011111…
…0111011001010
31211210220221120
41210332323022
523234102023
62343220110
7441003150
oct144767312
954726846
1026472138
1113a40a00
128a47636
13563b2b4
1437313d0
1524cd8e3
hex193eeca

26472138 has 48 divisors (see below), whose sum is σ = 66521280. Its totient is φ = 6874560.

The previous prime is 26472097. The next prime is 26472143. The reversal of 26472138 is 83127462.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 26472099 and 26472108.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2478 + ... + 7686.

It is an arithmetic number, because the mean of its divisors is an integer number (1385860).

Almost surely, 226472138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26472138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33260640).

26472138 is an abundant number, since it is smaller than the sum of its proper divisors (40049142).

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

26472138 is a wasteful number, since it uses less digits than its factorization.

26472138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243 (or 5232 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 26472138 is about 5145.1081621284. The cubic root of 26472138 is about 298.0320746822.

The spelling of 26472138 in words is "twenty-six million, four hundred seventy-two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 121 154 231 242 363 462 726 847 1694 2541 5082 5209 10418 15627 31254 36463 57299 72926 109389 114598 171897 218778 343794 401093 630289 802186 1203279 1260578 1890867 2406558 3781734 4412023 8824046 13236069 26472138