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6404670325 = 5212712131663
BaseRepresentation
bin1011111011011111…
…11000001101110101
3121112100111222000001
411331233320031311
5101104043422300
62535310151301
7314466541144
oct57557701565
917470458001
106404670325
1127972a6679
1212a8ab2531
137b0b84071
1444a86b75b
1527742016a
hex17dbf8375

6404670325 has 24 divisors (see below), whose sum is σ = 8015740928. Its totient is φ = 5076146880.

The previous prime is 6404670323. The next prime is 6404670331. The reversal of 6404670325 is 5230764046.

It is not a de Polignac number, because 6404670325 - 21 = 6404670323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404670323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3850444 + ... + 3852106.

Almost surely, 26404670325 is an apocalyptic number.

It is an amenable number.

6404670325 is a deficient number, since it is larger than the sum of its proper divisors (1611070603).

6404670325 is a wasteful number, since it uses less digits than its factorization.

6404670325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 6404670325 is about 80029.1842080125. The cubic root of 6404670325 is about 1857.0870429760.

The spelling of 6404670325 in words is "six billion, four hundred four million, six hundred seventy thousand, three hundred twenty-five".

Divisors: 1 5 25 127 635 1213 1663 3175 6065 8315 30325 41575 154051 211201 770255 1056005 2017219 3851275 5280025 10086095 50430475 256186813 1280934065 6404670325