Search a number
-
+
213453628 = 2217321783
BaseRepresentation
bin11001011100100…
…00101100111100
3112212122120022221
430232100230330
5414121004003
633103015124
75201216533
oct1456205474
9485576287
10213453628
11aa541963
125b59a4a4
13352b7b2b
14204c531a
1513b157bd
hexcb90b3c

213453628 has 18 divisors (see below), whose sum is σ = 375926264. Its totient is φ = 106050384.

The previous prime is 213453623. The next prime is 213453661. The reversal of 213453628 is 826354312.

213453628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213453593 and 213453602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213453623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118825 + ... + 120607.

Almost surely, 2213453628 is an apocalyptic number.

It is an amenable number.

213453628 is a deficient number, since it is larger than the sum of its proper divisors (162472636).

213453628 is a wasteful number, since it uses less digits than its factorization.

213453628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133 (or 1958 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 213453628 is about 14610.0522928564. The cubic root of 213453628 is about 597.6329219981.

The spelling of 213453628 in words is "two hundred thirteen million, four hundred fifty-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 173 346 692 1783 3566 7132 29929 59858 119716 308459 616918 1233836 53363407 106726814 213453628