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125225020 = 22537197859
BaseRepresentation
bin1110111011011…
…00100000111100
322201122002102201
413131230200330
5224024200040
620232001244
73050252344
oct735544074
9281562381
10125225020
1164760458
1235b30224
131cc3625b
14128b9d24
15aed8a9a
hex776c83c

125225020 has 48 divisors (see below), whose sum is σ = 271766880. Its totient is φ = 48432384.

The previous prime is 125225017. The next prime is 125225059. The reversal of 125225020 is 20522521.

It is a congruent number.

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, 145351 + ... + 146209.

It is an arithmetic number, because the mean of its divisors is an integer number (5661810).

Almost surely, 2125225020 is an apocalyptic number.

125225020 is a gapful number since it is divisible by the number (10) 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 125225020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135883440).

125225020 is an abundant number, since it is smaller than the sum of its proper divisors (146541860).

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

125225020 is a wasteful number, since it uses less digits than its factorization.

125225020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 125225020 is about 11190.3985630540. The cubic root of 125225020 is about 500.2998468145.

Adding to 125225020 its reverse (20522521), we get a palindrome (145747541).

The spelling of 125225020 in words is "one hundred twenty-five million, two hundred twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 197 370 394 740 788 859 985 1718 1970 3436 3940 4295 7289 8590 14578 17180 29156 31783 36445 63566 72890 127132 145780 158915 169223 317830 338446 635660 676892 846115 1692230 3384460 6261251 12522502 25045004 31306255 62612510 125225020