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8214703225 = 52181272
BaseRepresentation
bin1111010011010001…
…00110110001111001
3210012111102011100121
413221220212301321
5113310431000400
63435045333241
7410365553041
oct75150466171
923174364317
108214703225
113535a93133
121713107221
13a0bb77951
1457cdd6721
153312ab21a
hex1e9a26c79

8214703225 has 9 divisors (see below), whose sum is σ = 10186793967. Its totient is φ = 6571400040.

The previous prime is 8214703171. The next prime is 8214703249. The reversal of 8214703225 is 5223074128.

It is a happy number.

The square root of 8214703225 is 90635.

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., 2957293161 + 5257410064 = 54381^2 + 72508^2 .

It is not a de Polignac number, because 8214703225 - 223 = 8206314617 is a prime.

It is a Duffinian number.

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, 444112 + ... + 462238.

Almost surely, 28214703225 is an apocalyptic number.

8214703225 is the 90635-th square number.

8214703225 is the 45318-th centered octagonal number.

It is an amenable number.

8214703225 is a deficient number, since it is larger than the sum of its proper divisors (1972090742).

8214703225 is an frugal number, since it uses more digits than its factorization.

8214703225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36264 (or 18132 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The cubic root of 8214703225 is about 2017.7342193604.

The spelling of 8214703225 in words is "eight billion, two hundred fourteen million, seven hundred three thousand, two hundred twenty-five".

Divisors: 1 5 25 18127 90635 453175 328588129 1642940645 8214703225