Search a number
-
+
23250080 = 255720759
BaseRepresentation
bin101100010110…
…0010010100000
31121202020010002
41120230102200
521423000310
62150155132
7401423330
oct130542240
947666102
1023250080
1112140147
127952aa8
134a80859
1431330c0
152093da5
hex162c4a0

23250080 has 48 divisors (see below), whose sum is σ = 62778240. Its totient is φ = 7971072.

The previous prime is 23250061. The next prime is 23250103. The reversal of 23250080 is 8005232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9260 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (1307880).

Almost surely, 223250080 is an apocalyptic number.

23250080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23250080 is an abundant number, since it is smaller than the sum of its proper divisors (39528160).

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

23250080 is a wasteful number, since it uses less digits than its factorization.

23250080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781 (or 20773 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 23250080 is about 4821.8336761029. The cubic root of 23250080 is about 285.4137010247.

The spelling of 23250080 in words is "twenty-three million, two hundred fifty thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 20759 41518 83036 103795 145313 166072 207590 290626 332144 415180 581252 664288 726565 830360 1162504 1453130 1660720 2325008 2906260 3321440 4650016 5812520 11625040 23250080