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4904901225 = 325272232292
BaseRepresentation
bin1001001000101101…
…01101101001101001
3110122211102210120100
410210112231221221
540021123314400
62130413020013
7232355654400
oct44426555151
913584383510
104904901225
112097763984
12b4a784609
13602242c23
143475c8637
151da91e100
hex1245ada69

4904901225 has 243 divisors, whose sum is σ = 11064280773. Its totient is φ = 2070794880.

The previous prime is 4904901223. The next prime is 4904901233. The reversal of 4904901225 is 5221094094.

The square root of 4904901225 is 70035.

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

4904901225 is a `hidden beast` number, since 49 + 0 + 490 + 122 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67420521 + 4837480704 = 8211^2 + 69552^2 .

It is not a de Polignac number, because 4904901225 - 21 = 4904901223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4904901225.

It is not an unprimeable number, because it can be changed into a prime (4904901223) by changing a digit.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 169134511 + ... + 169134539.

Almost surely, 24904901225 is an apocalyptic number.

4904901225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4904901225 is the 70035-th square number.

4904901225 is the 35018-th centered octagonal number.

It is an amenable number.

4904901225 is an abundant number, since it is smaller than the sum of its proper divisors (6159379548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4904901225 is a wasteful number, since it uses less digits than its factorization.

4904901225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The cubic root of 4904901225 is about 1699.0653714892.

Multiplying 4904901225 by its sum of digits (36), we get a square (176576444100 = 4202102).

The spelling of 4904901225 in words is "four billion, nine hundred four million, nine hundred one thousand, two hundred twenty-five".