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26982130 = 257617189
BaseRepresentation
bin110011011101…
…1011011110010
31212202211112011
41212323123302
523401412010
62402153134
7445226050
oct146733362
955684464
1026982130
111425a08a
1290527aa
135789476
1438251d0
15257ea8a
hex19bb6f2

26982130 has 64 divisors (see below), whose sum is σ = 57853440. Its totient is φ = 8870400.

The previous prime is 26982103. The next prime is 26982133. The reversal of 26982130 is 3128962.

It is a junction number, because it is equal to n+sod(n) for n = 26982092 and 26982101.

It is not an unprimeable number, because it can be changed into a prime (26982133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303126 + ... + 303214.

It is an arithmetic number, because the mean of its divisors is an integer number (903960).

Almost surely, 226982130 is an apocalyptic number.

26982130 is an abundant number, since it is smaller than the sum of its proper divisors (30871310).

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

26982130 is a wasteful number, since it uses less digits than its factorization.

26982130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 26982130 is about 5194.4325965403. The cubic root of 26982130 is about 299.9338002078.

The spelling of 26982130 in words is "twenty-six million, nine hundred eighty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 61 70 71 89 122 142 178 305 355 427 445 497 610 623 710 854 890 994 1246 2135 2485 3115 4270 4331 4970 5429 6230 6319 8662 10858 12638 21655 27145 30317 31595 38003 43310 44233 54290 60634 63190 76006 88466 151585 190015 221165 303170 380030 385459 442330 770918 1927295 2698213 3854590 5396426 13491065 26982130