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213525580 = 22510676279
BaseRepresentation
bin11001011101000…
…10010001001100
3112212210020000211
430232202101030
5414130304310
633104332204
75201636362
oct1456422114
9485706024
10213525580
11aa590a24
125b614064
13353117c8
1420503632
1513b2bc8a
hexcba244c

213525580 has 12 divisors (see below), whose sum is σ = 448403760. Its totient is φ = 85410224.

The previous prime is 213525577. The next prime is 213525619. The reversal of 213525580 is 85525312.

213525580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5338120 + ... + 5338159.

It is an arithmetic number, because the mean of its divisors is an integer number (37366980).

Almost surely, 2213525580 is an apocalyptic number.

213525580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213525580 is an abundant number, since it is smaller than the sum of its proper divisors (234878180).

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

213525580 is a wasteful number, since it uses less digits than its factorization.

213525580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676288 (or 10676286 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 213525580 is about 14612.5144995651. The cubic root of 213525580 is about 597.7000654704.

The spelling of 213525580 in words is "two hundred thirteen million, five hundred twenty-five thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 10676279 21352558 42705116 53381395 106762790 213525580