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23025497 = 111727243
BaseRepresentation
bin101011111010…
…1011101011001
31121022211001012
41113311131121
521343303442
62141303305
7366466505
oct127653531
947284035
1023025497
1111aa7440
127864b35
134a02571
1430b5305
15204c582
hex15f5759

23025497 has 12 divisors (see below), whose sum is σ = 26686896. Its totient is φ = 19698240.

The previous prime is 23025491. The next prime is 23025521. The reversal of 23025497 is 79452032.

It is a happy number.

It is not a de Polignac number, because 23025497 - 210 = 23024473 is a prime.

It is a super-3 number, since 3×230254973 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23025491) 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, 443 + ... + 6800.

It is an arithmetic number, because the mean of its divisors is an integer number (2223908).

Almost surely, 223025497 is an apocalyptic number.

It is an amenable number.

23025497 is a deficient number, since it is larger than the sum of its proper divisors (3661399).

23025497 is a wasteful number, since it uses less digits than its factorization.

23025497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288 (or 7271 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 23025497 is about 4798.4890330186. The cubic root of 23025497 is about 284.4917462443.

The spelling of 23025497 in words is "twenty-three million, twenty-five thousand, four hundred ninety-seven".

Divisors: 1 11 17 187 289 3179 7243 79673 123131 1354441 2093227 23025497