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125831232 = 26372931
BaseRepresentation
bin1111000000000…
…00100001000000
322202202220000000
413200000201000
5224203044412
620253000000
73055355622
oct740004100
9282686000
10125831232
116503495a
1236183000
13200b9167
14129d6c12
15b0a84dc
hex7800840

125831232 has 224 divisors, whose sum is σ = 399897600. Its totient is φ = 39191040.

The previous prime is 125831231. The next prime is 125831257. The reversal of 125831232 is 232138521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125831196 and 125831205.

It is not an unprimeable number, because it can be changed into a prime (125831231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4059057 + ... + 4059087.

Almost surely, 2125831232 is an apocalyptic number.

125831232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125831232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199948800).

125831232 is an abundant number, since it is smaller than the sum of its proper divisors (274066368).

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

125831232 is an frugal number, since it uses more digits than its factorization.

125831232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 65 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 125831232 is about 11217.4521171254. The cubic root of 125831232 is about 501.1058616701.

Adding to 125831232 its reverse (232138521), we get a palindrome (357969753).

The spelling of 125831232 in words is "one hundred twenty-five million, eight hundred thirty-one thousand, two hundred thirty-two".