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825297465 = 3555019831
BaseRepresentation
bin110001001100010…
…000101000111001
32010111221110021210
4301030100220321
53142234004330
6213520553333
726310625026
oct6114205071
92114843253
10825297465
1139394a223
121b0482849
13101c9c5c5
147b87254d
154c6c28b0
hex31310a39

825297465 has 8 divisors (see below), whose sum is σ = 1320475968. Its totient is φ = 440158640.

The previous prime is 825297461. The next prime is 825297479. The reversal of 825297465 is 564792528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 825297465 - 22 = 825297461 is a prime.

It is a super-2 number, since 2×8252974652 = 1362231811470852450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (825297461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27509901 + ... + 27509930.

It is an arithmetic number, because the mean of its divisors is an integer number (165059496).

Almost surely, 2825297465 is an apocalyptic number.

It is an amenable number.

825297465 is a deficient number, since it is larger than the sum of its proper divisors (495178503).

825297465 is a wasteful number, since it uses less digits than its factorization.

825297465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55019839.

The product of its digits is 1209600, while the sum is 48.

The square root of 825297465 is about 28727.9909669994. The cubic root of 825297465 is about 938.0014369950.

The spelling of 825297465 in words is "eight hundred twenty-five million, two hundred ninety-seven thousand, four hundred sixty-five".

Divisors: 1 3 5 15 55019831 165059493 275099155 825297465