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488174703025 = 521397392
BaseRepresentation
bin1110001101010010111…
…10101101000110110001
31201200001201211101101111
413012221132231012301
530444240210444100
61012133034033321
750161265340022
oct7065136550661
91650051741344
10488174703025
11179040990899
127a740878841
133705b254129
14198b08c0c49
15ca728c16ba
hex71a97ad1b1

488174703025 has 9 divisors (see below), whose sum is σ = 605340963691. Its totient is φ = 390536967640.

The previous prime is 488174702957. The next prime is 488174703097. The reversal of 488174703025 is 520307471884.

The square root of 488174703025 is 698695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 175742893089 + 312431809936 = 419217^2 + 558956^2 .

It is a de Polignac number, because none of the positive numbers 2k-488174703025 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 488174703025.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3423606 + ... + 3563344.

Almost surely, 2488174703025 is an apocalyptic number.

488174703025 is the 698695-th square number.

488174703025 is the 349348-th centered octagonal number.

It is an amenable number.

488174703025 is a deficient number, since it is larger than the sum of its proper divisors (117166260666).

488174703025 is an frugal number, since it uses more digits than its factorization.

488174703025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279488 (or 139744 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

Multiplying 488174703025 by its sum of digits (49), we get a square (23920560448225 = 48908652).

The spelling of 488174703025 in words is "four hundred eighty-eight billion, one hundred seventy-four million, seven hundred three thousand, twenty-five".

Divisors: 1 5 25 139739 698695 3493475 19526988121 97634940605 488174703025