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8790625 = 552997
BaseRepresentation
bin100001100010…
…001001100001
3121112121110201
4201202021201
54222300000
6512225201
7134501434
oct41421141
917477421
108790625
114a64588
122b3b201
131a8a26c
14124b81b
15b8996a
hex862261

8790625 has 24 divisors (see below), whose sum is σ = 11483640. Its totient is φ = 6720000.

The previous prime is 8790599. The next prime is 8790647. The reversal of 8790625 is 5260978.

8790625 = 20962 + 20972.

It can be written as a sum of positive squares in 12 ways, for example, as 8785296 + 5329 = 2964^2 + 73^2 .

It is not a de Polignac number, because 8790625 - 215 = 8757857 is a prime.

8790625 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90577 + ... + 90673.

It is an arithmetic number, because the mean of its divisors is an integer number (478485).

Almost surely, 28790625 is an apocalyptic number.

8790625 is the 2097-th centered square number.

It is an amenable number.

8790625 is a deficient number, since it is larger than the sum of its proper divisors (2693015).

8790625 is an frugal number, since it uses more digits than its factorization.

8790625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 8790625 is about 2964.8988178351. The cubic root of 8790625 is about 206.3826816915.

The spelling of 8790625 in words is "eight million, seven hundred ninety thousand, six hundred twenty-five".

Divisors: 1 5 25 29 97 125 145 485 625 725 2425 2813 3125 3625 12125 14065 18125 60625 70325 90625 303125 351625 1758125 8790625