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23240151 = 3211234749
BaseRepresentation
bin101100010100…
…1110111010111
31121201201111100
41120221313113
521422141101
62150041143
7401352354
oct130516727
947651440
1023240151
1112133740
1279491b3
134a7918c
14312d62b
152090e86
hex1629dd7

23240151 has 12 divisors (see below), whose sum is σ = 36621000. Its totient is φ = 14084880.

The previous prime is 23240149. The next prime is 23240171. The reversal of 23240151 is 15104232.

It is not a de Polignac number, because 23240151 - 21 = 23240149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117276 + ... + 117473.

It is an arithmetic number, because the mean of its divisors is an integer number (3051750).

Almost surely, 223240151 is an apocalyptic number.

23240151 is a deficient number, since it is larger than the sum of its proper divisors (13380849).

23240151 is a wasteful number, since it uses less digits than its factorization.

23240151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234766 (or 234763 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23240151 is about 4820.8039785911. The cubic root of 23240151 is about 285.3730663812.

Adding to 23240151 its reverse (15104232), we get a palindrome (38344383).

The spelling of 23240151 in words is "twenty-three million, two hundred forty thousand, one hundred fifty-one".

Divisors: 1 3 9 11 33 99 234749 704247 2112741 2582239 7746717 23240151