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503223725 = 5282924281
BaseRepresentation
bin11101111111101…
…001010110101101
31022001220102011202
4131333221112231
52012311124400
6121533455245
715320221364
oct3577512655
91261812152
10503223725
11239069484
12120641525
1380343524
144ab947db
152e2a34d5
hex1dfe95ad

503223725 has 12 divisors (see below), whose sum is σ = 624775860. Its totient is φ = 402076800.

The previous prime is 503223719. The next prime is 503223737. The reversal of 503223725 is 527322305.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 17197609 + 486026116 = 4147^2 + 22046^2 .

It is not a de Polignac number, because 503223725 - 26 = 503223661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8585 + ... + 32865.

It is an arithmetic number, because the mean of its divisors is an integer number (52064655).

Almost surely, 2503223725 is an apocalyptic number.

It is an amenable number.

503223725 is a deficient number, since it is larger than the sum of its proper divisors (121552135).

503223725 is a wasteful number, since it uses less digits than its factorization.

503223725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25120 (or 25115 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 503223725 is about 22432.6486398731. The cubic root of 503223725 is about 795.4026545643.

The spelling of 503223725 in words is "five hundred three million, two hundred twenty-three thousand, seven hundred twenty-five".

Divisors: 1 5 25 829 4145 20725 24281 121405 607025 20128949 100644745 503223725