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213488082 = 23329136327
BaseRepresentation
bin11001011100110…
…01000111010010
3112212201022121000
430232121013102
5414123104312
633103442430
75201422143
oct1456310722
9485638530
10213488082
11aa565835
125b5b6416
13352ca712
14204d3aca
1513b20adc
hexcb991d2

213488082 has 32 divisors (see below), whose sum is σ = 490780800. Its totient is φ = 68708304.

The previous prime is 213488069. The next prime is 213488087. The reversal of 213488082 is 280884312.

It is a happy number.

213488082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2134880822 = 91154322312077448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213488087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66598 + ... + 69729.

It is an arithmetic number, because the mean of its divisors is an integer number (15336900).

Almost surely, 2213488082 is an apocalyptic number.

213488082 is an abundant number, since it is smaller than the sum of its proper divisors (277292718).

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

213488082 is a wasteful number, since it uses less digits than its factorization.

213488082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136367 (or 136361 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 213488082 is about 14611.2313649466. The cubic root of 213488082 is about 597.6650753314.

The spelling of 213488082 in words is "two hundred thirteen million, four hundred eighty-eight thousand, eighty-two".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 1566 136327 272654 408981 817962 1226943 2453886 3680829 3953483 7361658 7906966 11860449 23720898 35581347 71162694 106744041 213488082