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213500153 = 8310923599
BaseRepresentation
bin11001011100111…
…00000011111001
3112212201221011002
430232130003321
5414124001103
633104014345
75201502266
oct1456340371
9485657132
10213500153
11aa573909
125b6013b5
1335303069
14204d826d
1513b24488
hexcb9c0f9

213500153 has 8 divisors (see below), whose sum is σ = 218064000. Its totient is φ = 208983888.

The previous prime is 213500137. The next prime is 213500167. The reversal of 213500153 is 351005312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213500153 - 24 = 213500137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213500453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 20846.

It is an arithmetic number, because the mean of its divisors is an integer number (27258000).

Almost surely, 2213500153 is an apocalyptic number.

It is an amenable number.

213500153 is a deficient number, since it is larger than the sum of its proper divisors (4563847).

213500153 is a wasteful number, since it uses less digits than its factorization.

213500153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23791.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 213500153 is about 14611.6444317537. The cubic root of 213500153 is about 597.6763394718.

Adding to 213500153 its reverse (351005312), we get a palindrome (564505465).

The spelling of 213500153 in words is "two hundred thirteen million, five hundred thousand, one hundred fifty-three".

Divisors: 1 83 109 9047 23599 1958717 2572291 213500153