Search a number
-
+
10920660 = 2235182011
BaseRepresentation
bin101001101010…
…001011010100
3202112211022220
4221222023110
510243430120
61030022340
7161552442
oct51521324
922484286
1010920660
116189943
1237a79b0
13235493a
141643b92
15e5ab40
hexa6a2d4

10920660 has 24 divisors (see below), whose sum is σ = 30578016. Its totient is φ = 2912160.

The previous prime is 10920643. The next prime is 10920671. The reversal of 10920660 is 6602901.

It is a self number, because there is not a number n which added to its sum of digits gives 10920660.

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 7 ways as a sum of consecutive naturals, for example, 90946 + ... + 91065.

It is an arithmetic number, because the mean of its divisors is an integer number (1274084).

Almost surely, 210920660 is an apocalyptic number.

10920660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10920660 is an abundant number, since it is smaller than the sum of its proper divisors (19657356).

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

10920660 is a wasteful number, since it uses less digits than its factorization.

10920660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182023 (or 182021 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 10920660 is about 3304.6421894057. The cubic root of 10920660 is about 221.8620196069.

The spelling of 10920660 in words is "ten million, nine hundred twenty thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 182011 364022 546033 728044 910055 1092066 1820110 2184132 2730165 3640220 5460330 10920660