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214925545 = 5283315173
BaseRepresentation
bin11001100111110…
…00000011101001
3112222102100102101
430303320003221
5420010104140
633154333401
75216560042
oct1463700351
9488370371
10214925545
1110035781a
125bb8a261
13356b1aa3
14207898c9
1513d0699a
hexccf80e9

214925545 has 8 divisors (see below), whose sum is σ = 258018696. Its totient is φ = 171868416.

The previous prime is 214925507. The next prime is 214925561. The reversal of 214925545 is 545529412.

214925545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 53406864 + 161518681 = 7308^2 + 12709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214925545 - 223 = 206536937 is a prime.

It is a Duffinian number.

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, 6579 + ... + 21751.

It is an arithmetic number, because the mean of its divisors is an integer number (32252337).

Almost surely, 2214925545 is an apocalyptic number.

It is an amenable number.

214925545 is a deficient number, since it is larger than the sum of its proper divisors (43093151).

214925545 is a wasteful number, since it uses less digits than its factorization.

214925545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011.

The product of its digits is 72000, while the sum is 37.

The square root of 214925545 is about 14660.3391843436. The cubic root of 214925545 is about 599.0034800890.

The spelling of 214925545 in words is "two hundred fourteen million, nine hundred twenty-five thousand, five hundred forty-five".

Divisors: 1 5 2833 14165 15173 75865 42985109 214925545