Search a number
-
+
23213270 = 257331799
BaseRepresentation
bin101100010001…
…1010011010110
31121200100121202
41120203103112
521420311040
62145312502
7401211113
oct130432326
947610552
1023213270
1112115523
127935732
134a69b82
14312390a
152088015
hex16234d6

23213270 has 16 divisors (see below), whose sum is σ = 42357600. Its totient is φ = 9157824.

The previous prime is 23213261. The next prime is 23213273. The reversal of 23213270 is 7231232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213273) 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, 15170 + ... + 16629.

It is an arithmetic number, because the mean of its divisors is an integer number (2647350).

Almost surely, 223213270 is an apocalyptic number.

23213270 is a deficient number, since it is larger than the sum of its proper divisors (19144330).

23213270 is a wasteful number, since it uses less digits than its factorization.

23213270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31879.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 23213270 is about 4818.0151514913. The cubic root of 23213270 is about 285.2629972035.

The spelling of 23213270 in words is "twenty-three million, two hundred thirteen thousand, two hundred seventy".

Divisors: 1 2 5 10 73 146 365 730 31799 63598 158995 317990 2321327 4642654 11606635 23213270