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84830477 = 319728211
BaseRepresentation
bin1010000111001…
…10100100001101
312220121211112112
411003212210031
5133204033402
612230113405
72050022114
oct503464415
9186554475
1084830477
1143980436
12244ab865
1314761c64
14b3a2c7b
1576a9e52
hex50e690d

84830477 has 8 divisors (see below), whose sum is σ = 88472832. Its totient is φ = 81244800.

The previous prime is 84830467. The next prime is 84830479. The reversal of 84830477 is 77403848.

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

It is not a de Polignac number, because 84830477 - 26 = 84830413 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 (84830479) 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, 11099 + ... + 17112.

It is an arithmetic number, because the mean of its divisors is an integer number (11059104).

Almost surely, 284830477 is an apocalyptic number.

It is an amenable number.

84830477 is a deficient number, since it is larger than the sum of its proper divisors (3642355).

84830477 is a wasteful number, since it uses less digits than its factorization.

84830477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28339.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 84830477 is about 9210.3461932763. The cubic root of 84830477 is about 439.3904731683.

The spelling of 84830477 in words is "eighty-four million, eight hundred thirty thousand, four hundred seventy-seven".

Divisors: 1 31 97 3007 28211 874541 2736467 84830477