Search a number
-
+
214545320 = 23511487603
BaseRepresentation
bin11001100100110…
…11001110101000
3112221201000211222
430302123032220
5414410422240
633142241212
75213414363
oct1462331650
9487630758
10214545320
11100118090
125ba26208
13355aa9c2
14206cb0da
1513c7deb5
hexcc9b3a8

214545320 has 32 divisors (see below), whose sum is σ = 526612320. Its totient is φ = 78016320.

The previous prime is 214545259. The next prime is 214545337. The reversal of 214545320 is 23545412.

It is a happy number.

214545320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 214545320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243362 + ... + 244241.

It is an arithmetic number, because the mean of its divisors is an integer number (16456635).

Almost surely, 2214545320 is an apocalyptic number.

214545320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214545320 is an abundant number, since it is smaller than the sum of its proper divisors (312067000).

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

214545320 is a wasteful number, since it uses less digits than its factorization.

214545320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487625 (or 487621 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 214545320 is about 14647.3656334510. The cubic root of 214545320 is about 598.6500390276.

The spelling of 214545320 in words is "two hundred fourteen million, five hundred forty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 487603 975206 1950412 2438015 3900824 4876030 5363633 9752060 10727266 19504120 21454532 26818165 42909064 53636330 107272660 214545320