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8461397 = 75322807
BaseRepresentation
bin100000010001…
…110001010101
3120220212212002
4200101301111
54131231042
6501205045
7131630540
oct40216125
916825762
108461397
11485a19a
122a00785
1319a3459
1411a3857
15b22132
hex811c55

8461397 has 8 divisors (see below), whose sum is σ = 9853056. Its totient is φ = 7115472.

The previous prime is 8461391. The next prime is 8461399. The reversal of 8461397 is 7931648.

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

It is not a de Polignac number, because 8461397 - 26 = 8461333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8461397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461391) 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, 11033 + ... + 11774.

It is an arithmetic number, because the mean of its divisors is an integer number (1231632).

Almost surely, 28461397 is an apocalyptic number.

It is an amenable number.

8461397 is a deficient number, since it is larger than the sum of its proper divisors (1391659).

8461397 is a wasteful number, since it uses less digits than its factorization.

8461397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22867.

The product of its digits is 36288, while the sum is 38.

The square root of 8461397 is about 2908.8480537835. The cubic root of 8461397 is about 203.7733369333.

The spelling of 8461397 in words is "eight million, four hundred sixty-one thousand, three hundred ninety-seven".

Divisors: 1 7 53 371 22807 159649 1208771 8461397