Search a number
-
+
215233601 = 1123981869
BaseRepresentation
bin11001101010000…
…11010001000001
3112222222222222212
430311003101001
5420044433401
633205111505
75222312132
oct1465032101
9488888885
10215233601
11100548210
12600b8595
133578c07b
1420829c89
1513d67dbb
hexcd43441

215233601 has 8 divisors (see below), whose sum is σ = 235785600. Its totient is φ = 194845840.

The previous prime is 215233573. The next prime is 215233607. The reversal of 215233601 is 106332512.

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 215233601 - 214 = 215217217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215233607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38306 + ... + 43563.

It is an arithmetic number, because the mean of its divisors is an integer number (29473200).

Almost surely, 2215233601 is an apocalyptic number.

It is an amenable number.

215233601 is a deficient number, since it is larger than the sum of its proper divisors (20551999).

215233601 is a wasteful number, since it uses less digits than its factorization.

215233601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82119.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 215233601 is about 14670.8418640513. The cubic root of 215233601 is about 599.2895303498.

It can be divided in two parts, 2152 and 33601, that added together give a palindrome (35753).

The spelling of 215233601 in words is "two hundred fifteen million, two hundred thirty-three thousand, six hundred one".

Divisors: 1 11 239 2629 81869 900559 19566691 215233601