Search a number
-
+
125772320 = 255786077
BaseRepresentation
bin1110111111100…
…10001000100000
322202122220012002
413133302020200
5224144203240
620251423132
73055022102
oct737621040
9282586162
10125772320
1164aa4673
1236154aa8
13200983bb
14129bd572
15b095d15
hex77f2220

125772320 has 24 divisors (see below), whose sum is σ = 297137484. Its totient is φ = 50308864.

The previous prime is 125772299. The next prime is 125772337. The reversal of 125772320 is 23277521.

It can be written as a sum of positive squares in 2 ways, for example, as 122855056 + 2917264 = 11084^2 + 1708^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392879 + ... + 393198.

Almost surely, 2125772320 is an apocalyptic number.

125772320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125772320 is an abundant number, since it is smaller than the sum of its proper divisors (171365164).

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

125772320 is an equidigital number, since it uses as much as digits as its factorization.

125772320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786092 (or 786084 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 125772320 is about 11214.8259014574. The cubic root of 125772320 is about 501.0276464386.

The spelling of 125772320 in words is "one hundred twenty-five million, seven hundred seventy-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 786077 1572154 3144308 3930385 6288616 7860770 12577232 15721540 25154464 31443080 62886160 125772320