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192470851225 = 52877432
BaseRepresentation
bin1011001101000000101…
…0000001111010011001
3200101210121212022001101
42303100022001322121
511123140014214400
6224230410151401
716622415145642
oct2632012017231
9611717768041
10192470851225
11746988612a4
1231376122561
13151c44c6763
14945c1826c9
15501748556a
hex2cd0281e99

192470851225 has 9 divisors (see below), whose sum is σ = 238666575583. Its totient is φ = 153974926120.

The previous prime is 192470851169. The next prime is 192470851241. The reversal of 192470851225 is 522158074291.

The square root of 192470851225 is 438715.

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., 69289506441 + 123181344784 = 263229^2 + 350972^2 .

It is not a de Polignac number, because 192470851225 - 223 = 192462462617 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, 2149704 + ... + 2237446.

Almost surely, 2192470851225 is an apocalyptic number.

192470851225 is the 438715-th square number.

192470851225 is the 219358-th centered octagonal number.

It is an amenable number.

192470851225 is a deficient number, since it is larger than the sum of its proper divisors (46195724358).

192470851225 is an frugal number, since it uses more digits than its factorization.

192470851225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175496 (or 87748 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 192470851225 in words is "one hundred ninety-two billion, four hundred seventy million, eight hundred fifty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 87743 438715 2193575 7698834049 38494170245 192470851225