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1304452025 = 5252178081
BaseRepresentation
bin100110111000000…
…0101101110111001
310100220120000202222
41031300011232321
510132414431100
6333234533425
744216442062
oct11560055671
93326500688
101304452025
1160a369128
12304a37275
1317a336506
14c535d569
15797be485
hex4dc05bb9

1304452025 has 6 divisors (see below), whose sum is σ = 1617520542. Its totient is φ = 1043561600.

The previous prime is 1304452021. The next prime is 1304452027. The reversal of 1304452025 is 5202544031.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 337677376 + 966774649 = 18376^2 + 31093^2 .

It is not a de Polignac number, because 1304452025 - 22 = 1304452021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304451985 and 1304452003.

It is not an unprimeable number, because it can be changed into a prime (1304452021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26089016 + ... + 26089065.

It is an arithmetic number, because the mean of its divisors is an integer number (269586757).

Almost surely, 21304452025 is an apocalyptic number.

It is an amenable number.

1304452025 is a deficient number, since it is larger than the sum of its proper divisors (313068517).

1304452025 is an equidigital number, since it uses as much as digits as its factorization.

1304452025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52178091 (or 52178086 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1304452025 is about 36117.1984655510. The cubic root of 1304452025 is about 1092.6373374886.

Adding to 1304452025 its reverse (5202544031), we get a palindrome (6506996056).

The spelling of 1304452025 in words is "one billion, three hundred four million, four hundred fifty-two thousand, twenty-five".

Divisors: 1 5 25 52178081 260890405 1304452025