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1925240625 = 32557211127
BaseRepresentation
bin111001011000000…
…1101011100110001
311222011200100122100
41302300031130301
512420330200000
6515012331013
765465163300
oct16260153461
94864610570
101925240625
118a8825860
12458913a69
13248b30449
14143998437
15b4046a00
hex72c0d731

1925240625 has 216 divisors, whose sum is σ = 4445715456. Its totient is φ = 793800000.

The previous prime is 1925240617. The next prime is 1925240651. The reversal of 1925240625 is 5260425291.

1925240625 is a `hidden beast` number, since 1 + 9 + 2 + 5 + 24 + 0 + 625 = 666.

It is not a de Polignac number, because 1925240625 - 23 = 1925240617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1925240625.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 15159312 + ... + 15159438.

It is an arithmetic number, because the mean of its divisors is an integer number (20582016).

Almost surely, 21925240625 is an apocalyptic number.

1925240625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1925240625 is an abundant number, since it is smaller than the sum of its proper divisors (2520474831).

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

1925240625 is a wasteful number, since it uses less digits than its factorization.

1925240625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1925240625 is about 43877.5640276440. The cubic root of 1925240625 is about 1244.0227973287.

The spelling of 1925240625 in words is "one billion, nine hundred twenty-five million, two hundred forty thousand, six hundred twenty-five".