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216053502 = 2375639137
BaseRepresentation
bin11001110000010…
…11011011111110
3120001112122200120
430320023123332
5420302203002
633234435410
75232265410
oct1470133376
9501478616
10216053502
11100a58215
1260432b66
13359b8312
14209a09b0
1513e7acbc
hexce0b6fe

216053502 has 32 divisors (see below), whose sum is σ = 494767872. Its totient is φ = 61613184.

The previous prime is 216053483. The next prime is 216053507. The reversal of 216053502 is 205350612.

216053502 is digitally balanced in base 3, 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 (216053507) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19078 + ... + 28214.

It is an arithmetic number, because the mean of its divisors is an integer number (15461496).

Almost surely, 2216053502 is an apocalyptic number.

216053502 is an abundant number, since it is smaller than the sum of its proper divisors (278714370).

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

216053502 is a wasteful number, since it uses less digits than its factorization.

216053502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 216053502 is about 14698.7585190042. The cubic root of 216053502 is about 600.0495347993.

The spelling of 216053502 in words is "two hundred sixteen million, fifty-three thousand, five hundred two".

Divisors: 1 2 3 6 7 14 21 42 563 1126 1689 3378 3941 7882 9137 11823 18274 23646 27411 54822 63959 127918 191877 383754 5144131 10288262 15432393 30864786 36008917 72017834 108026751 216053502