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53214390 = 2325591271
BaseRepresentation
bin1100101011111…
…1110010110110
310201010120102100
43022333302312
5102110330030
65140322530
71214212665
oct312776266
9121116370
1053214390
1128046839
12159a3446
13b042508
1470d2ddc
154a12360
hex32bfcb6

53214390 has 24 divisors (see below), whose sum is σ = 138357648. Its totient is φ = 14190480.

The previous prime is 53214361. The next prime is 53214431. The reversal of 53214390 is 9341235.

53214390 is a `hidden beast` number, since 532 + 1 + 43 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295546 + ... + 295725.

It is an arithmetic number, because the mean of its divisors is an integer number (5764902).

Almost surely, 253214390 is an apocalyptic number.

53214390 is an abundant number, since it is smaller than the sum of its proper divisors (85143258).

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

53214390 is a wasteful number, since it uses less digits than its factorization.

53214390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591284 (or 591281 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 53214390 is about 7294.8193946115. The cubic root of 53214390 is about 376.1343783685.

The spelling of 53214390 in words is "fifty-three million, two hundred fourteen thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 591271 1182542 1773813 2956355 3547626 5321439 5912710 8869065 10642878 17738130 26607195 53214390