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213328504 = 231943127257
BaseRepresentation
bin11001011011100…
…10001001111000
3112212102012200201
430231302021320
5414103003004
633100211544
75200155664
oct1455621170
9485365621
10213328504
11aa466954
125b539bb4
1335272bac
14204918a4
1513add6a4
hexcb72278

213328504 has 64 divisors (see below), whose sum is σ = 435916800. Its totient is φ = 97542144.

The previous prime is 213328501. The next prime is 213328537. The reversal of 213328504 is 405823312.

213328504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213328501) 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, 829944 + ... + 830200.

It is an arithmetic number, because the mean of its divisors is an integer number (6811200).

Almost surely, 2213328504 is an apocalyptic number.

It is an amenable number.

213328504 is an abundant number, since it is smaller than the sum of its proper divisors (222588296).

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

213328504 is a wasteful number, since it uses less digits than its factorization.

213328504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 213328504 is about 14605.7695449435. The cubic root of 213328504 is about 597.5161240492.

The spelling of 213328504 in words is "two hundred thirteen million, three hundred twenty-eight thousand, five hundred four".

Divisors: 1 2 4 8 19 38 43 76 86 127 152 172 254 257 344 508 514 817 1016 1028 1634 2056 2413 3268 4826 4883 5461 6536 9652 9766 10922 11051 19304 19532 21844 22102 32639 39064 43688 44204 65278 88408 103759 130556 207518 209969 261112 415036 419938 620141 830072 839876 1240282 1403477 1679752 2480564 2806954 4961128 5613908 11227816 26666063 53332126 106664252 213328504