Search a number
-
+
20926332 = 22327211863
BaseRepresentation
bin100111111010…
…0111101111100
31110101011112100
41033310331330
520324120312
62024305100
7342604500
oct117647574
943334470
1020926332
11108a3299
127012190
134448c5b
142aca300
151c855dc
hex13f4f7c

20926332 has 54 divisors (see below), whose sum is σ = 61538568. Its totient is φ = 5978448.

The previous prime is 20926319. The next prime is 20926369. The reversal of 20926332 is 23362902.

20926332 is a `hidden beast` number, since 20 + 9 + 2 + 633 + 2 = 666.

It is a super-2 number, since 2×209263322 = 875822741948448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20926296 and 20926305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4168 + ... + 7695.

Almost surely, 220926332 is an apocalyptic number.

It is an amenable number.

20926332 is an abundant number, since it is smaller than the sum of its proper divisors (40612236).

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

20926332 is a wasteful number, since it uses less digits than its factorization.

20926332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887 (or 11875 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 20926332 is about 4574.5307956117. The cubic root of 20926332 is about 275.5694294620.

The spelling of 20926332 in words is "twenty million, nine hundred twenty-six thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 11863 23726 35589 47452 71178 83041 106767 142356 166082 213534 249123 332164 427068 498246 581287 747369 996492 1162574 1494738 1743861 2325148 2989476 3487722 5231583 6975444 10463166 20926332