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84624893 = 101983047
BaseRepresentation
bin1010000101101…
…00010111111101
312220020101112022
411002310113331
5133130444033
612221445525
72045204543
oct502642775
9186211468
1084624893
114384aa31
12244108a5
13146bc502
14b34bd93
157669098
hex50b45fd

84624893 has 4 divisors (see below), whose sum is σ = 84708960. Its totient is φ = 84540828.

The previous prime is 84624887. The next prime is 84624907. The reversal of 84624893 is 39842648.

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 84624893 - 216 = 84559357 is a prime.

It is a super-2 number, since 2×846248932 = 14322745030522898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84624833) 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, 40505 + ... + 42542.

It is an arithmetic number, because the mean of its divisors is an integer number (21177240).

Almost surely, 284624893 is an apocalyptic number.

It is an amenable number.

84624893 is a deficient number, since it is larger than the sum of its proper divisors (84067).

84624893 is a wasteful number, since it uses less digits than its factorization.

84624893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84066.

The product of its digits is 331776, while the sum is 44.

The square root of 84624893 is about 9199.1789307525. The cubic root of 84624893 is about 439.0352363689.

The spelling of 84624893 in words is "eighty-four million, six hundred twenty-four thousand, eight hundred ninety-three".

Divisors: 1 1019 83047 84624893