Search a number
-
+
125482820 = 22525724413
BaseRepresentation
bin1110111101010…
…11011101000100
322202010012001212
413132223131010
5224110422240
620241310552
73052405061
oct736533504
9282105055
10125482820
1164917111
1236035458
131ccc66b8
1412945c68
15b03a165
hex77ab744

125482820 has 24 divisors (see below), whose sum is σ = 264550104. Its totient is φ = 49995776.

The previous prime is 125482811. The next prime is 125482829. The reversal of 125482820 is 28284521.

It is an interprime number because it is at equal distance from previous prime (125482811) and next prime (125482829).

It can be written as a sum of positive squares in 4 ways, for example, as 28026436 + 97456384 = 5294^2 + 9872^2 .

It is not an unprimeable number, because it can be changed into a prime (125482829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7067 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (11022921).

Almost surely, 2125482820 is an apocalyptic number.

125482820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125482820 is an abundant number, since it is smaller than the sum of its proper divisors (139067284).

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

125482820 is a wasteful number, since it uses less digits than its factorization.

125482820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24679 (or 24677 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 125482820 is about 11201.9114440349. The cubic root of 125482820 is about 500.6429329202.

The spelling of 125482820 in words is "one hundred twenty-five million, four hundred eighty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 257 514 1028 1285 2570 5140 24413 48826 97652 122065 244130 488260 6274141 12548282 25096564 31370705 62741410 125482820