Search a number
-
+
23898369 = 3117989103
BaseRepresentation
bin101101100101…
…0100100000001
31122222011101210
41123022210001
522104221434
62212120333
7410063355
oct133124401
948864353
1023898369
1112543220
1280060a9
134c49961
143261465
152170ee9
hex16ca901

23898369 has 32 divisors (see below), whose sum is σ = 35942400. Its totient is φ = 14002560.

The previous prime is 23898361. The next prime is 23898373. The reversal of 23898369 is 96389832.

It is not a de Polignac number, because 23898369 - 23 = 23898361 is a prime.

It is a super-2 number, since 2×238983692 = 1142264081720322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (23898361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231972 + ... + 232074.

It is an arithmetic number, because the mean of its divisors is an integer number (1123200).

Almost surely, 223898369 is an apocalyptic number.

It is an amenable number.

23898369 is a deficient number, since it is larger than the sum of its proper divisors (12044031).

23898369 is a wasteful number, since it uses less digits than its factorization.

23898369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 559872, while the sum is 48.

The square root of 23898369 is about 4888.5958106597. The cubic root of 23898369 is about 288.0421789111.

The spelling of 23898369 in words is "twenty-three million, eight hundred ninety-eight thousand, three hundred sixty-nine".

Divisors: 1 3 11 33 79 89 103 237 267 309 869 979 1133 2607 2937 3399 7031 8137 9167 21093 24411 27501 77341 89507 100837 232023 268521 302511 724193 2172579 7966123 23898369