Search a number
-
+
23228154 = 2331725303
BaseRepresentation
bin101100010011…
…0111011111010
31121201010001000
41120212323322
521421300104
62145505430
7401302365
oct130467372
947633030
1023228154
1112125724
127942276
134a73891
1431290dc
15208c639
hex1626efa

23228154 has 32 divisors (see below), whose sum is σ = 54656640. Its totient is φ = 7286976.

The previous prime is 23228143. The next prime is 23228237. The reversal of 23228154 is 45182232.

It is a super-4 number, since 4×232281544 (a number of 31 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11734 + ... + 13569.

It is an arithmetic number, because the mean of its divisors is an integer number (1708020).

Almost surely, 223228154 is an apocalyptic number.

23228154 is an abundant number, since it is smaller than the sum of its proper divisors (31428486).

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

23228154 is a wasteful number, since it uses less digits than its factorization.

23228154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25331 (or 25325 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 23228154 is about 4819.5595234420. The cubic root of 23228154 is about 285.3239529602.

The spelling of 23228154 in words is "twenty-three million, two hundred twenty-eight thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 25303 50606 75909 151818 227727 430151 455454 683181 860302 1290453 1366362 2580906 3871359 7742718 11614077 23228154