Search a number
-
+
26875420 = 22511139397
BaseRepresentation
bin110011010000…
…1011000011100
31212120102010221
41212201120130
523340003140
62400011124
7444302665
oct146413034
955512127
1026875420
11141969a0
129000aa4
13574ca20
1437d836c
15255d14a
hex19a161c

26875420 has 48 divisors (see below), whose sum is σ = 66312288. Its totient is φ = 9020160.

The previous prime is 26875379. The next prime is 26875439. The reversal of 26875420 is 2457862.

It is a congruent number.

It is an unprimeable number.

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, 1839 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (1381506).

Almost surely, 226875420 is an apocalyptic number.

26875420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26875420 is an abundant number, since it is smaller than the sum of its proper divisors (39436868).

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

26875420 is a wasteful number, since it uses less digits than its factorization.

26875420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9430 (or 9428 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 26875420 is about 5184.1508465707. The cubic root of 26875420 is about 299.5378811119.

The spelling of 26875420 in words is "twenty-six million, eight hundred seventy-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 9397 18794 37588 46985 93970 103367 122161 187940 206734 244322 413468 488644 516835 610805 1033670 1221610 1343771 2067340 2443220 2687542 5375084 6718855 13437710 26875420