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23053428 = 223217139271
BaseRepresentation
bin101011111110…
…0010001110100
31121101020100200
41113330101310
521400202203
62142040500
7366644106
oct127742164
947336320
1023053428
1112016422
127879130
134a121a8
1430c1576
1520559a3
hex15fc474

23053428 has 72 divisors (see below), whose sum is σ = 62375040. Its totient is φ = 7153920.

The previous prime is 23053423. The next prime is 23053493. The reversal of 23053428 is 82435032.

23053428 is a `hidden beast` number, since 230 + 5 + 3 + 428 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23053423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84933 + ... + 85203.

It is an arithmetic number, because the mean of its divisors is an integer number (866320).

Almost surely, 223053428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23053428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31187520).

23053428 is an abundant number, since it is smaller than the sum of its proper divisors (39321612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23053428 is a wasteful number, since it uses less digits than its factorization.

23053428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 23053428 is about 4801.3985462571. The cubic root of 23053428 is about 284.6067336735.

The spelling of 23053428 in words is "twenty-three million, fifty-three thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 139 153 204 271 278 306 417 542 556 612 813 834 1084 1251 1626 1668 2363 2439 2502 3252 4607 4726 4878 5004 7089 9214 9452 9756 13821 14178 18428 21267 27642 28356 37669 41463 42534 55284 75338 82926 85068 113007 150676 165852 226014 339021 452028 640373 678042 1280746 1356084 1921119 2561492 3842238 5763357 7684476 11526714 23053428