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84479801 = 712068543
BaseRepresentation
bin1010000100100…
…00111100111001
312212222000111112
411002100330321
5133111323201
612214410105
72044031540
oct502207471
9185860445
1084479801
1143760a1a
1224360935
131466b463
14b311157
15763b0bb
hex5090f39

84479801 has 4 divisors (see below), whose sum is σ = 96548352. Its totient is φ = 72411252.

The previous prime is 84479797. The next prime is 84479849. The reversal of 84479801 is 10897448.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84479801 - 22 = 84479797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84479861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6034265 + ... + 6034278.

It is an arithmetic number, because the mean of its divisors is an integer number (24137088).

Almost surely, 284479801 is an apocalyptic number.

It is an amenable number.

84479801 is a deficient number, since it is larger than the sum of its proper divisors (12068551).

84479801 is a wasteful number, since it uses less digits than its factorization.

84479801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12068550.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 84479801 is about 9191.2894090002. The cubic root of 84479801 is about 438.7841796626.

The spelling of 84479801 in words is "eighty-four million, four hundred seventy-nine thousand, eight hundred one".

Divisors: 1 7 12068543 84479801