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84730397 = 1749110151
BaseRepresentation
bin1010000110011…
…10001000011101
312220102202020212
411003032020131
5133142333042
612224022205
72046124253
oct503161035
9186382225
1084730397
1143912224
1224461965
131472853b
14b3785d3
15768a482
hex50ce21d

84730397 has 8 divisors (see below), whose sum is σ = 89906112. Its totient is φ = 79576000.

The previous prime is 84730381. The next prime is 84730421. The reversal of 84730397 is 79303748.

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

It is a cyclic number.

It is not a de Polignac number, because 84730397 - 24 = 84730381 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 (84730337) 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, 3272 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (11238264).

Almost surely, 284730397 is an apocalyptic number.

It is an amenable number.

84730397 is a deficient number, since it is larger than the sum of its proper divisors (5175715).

84730397 is a wasteful number, since it uses less digits than its factorization.

84730397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10659.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 84730397 is about 9204.9115693743. The cubic root of 84730397 is about 439.2176127195.

The spelling of 84730397 in words is "eighty-four million, seven hundred thirty thousand, three hundred ninety-seven".

Divisors: 1 17 491 8347 10151 172567 4984141 84730397