Search a number
-
+
23152154 = 297131911
BaseRepresentation
bin101100001010…
…0011000011010
31121120020210012
41120110120122
521411332104
62144121522
7400534664
oct130243032
947506705
1023152154
1112083613
1279062a2
134a480cc
143109534
152074d6e
hex161461a

23152154 has 16 divisors (see below), whose sum is σ = 35392896. Its totient is φ = 11356800.

The previous prime is 23152139. The next prime is 23152159. The reversal of 23152154 is 45125132.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23152159) 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, 24959 + ... + 25869.

It is an arithmetic number, because the mean of its divisors is an integer number (2212056).

Almost surely, 223152154 is an apocalyptic number.

23152154 is a deficient number, since it is larger than the sum of its proper divisors (12240742).

23152154 is a wasteful number, since it uses less digits than its factorization.

23152154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its digits is 1200, while the sum is 23.

The square root of 23152154 is about 4811.6685255741. The cubic root of 23152154 is about 285.0124299493.

Adding to 23152154 its reverse (45125132), we get a palindrome (68277286).

The spelling of 23152154 in words is "twenty-three million, one hundred fifty-two thousand, one hundred fifty-four".

Divisors: 1 2 97 131 194 262 911 1822 12707 25414 88367 119341 176734 238682 11576077 23152154