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84230283 = 3190714723
BaseRepresentation
bin1010000010101…
…00000010001011
312212111100020010
411001110002023
5133030332113
612205203003
72041642224
oct501240213
9185440203
1084230283
1143600505
1224260463
13145b1a07
14b28824b
1575dc1c3
hex505408b

84230283 has 8 divisors (see below), whose sum is σ = 112373568. Its totient is φ = 56120264.

The previous prime is 84230273. The next prime is 84230327. The reversal of 84230283 is 38203248.

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 84230283 - 216 = 84164747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84230283.

It is not an unprimeable number, because it can be changed into a prime (84230213) 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, 1641 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (14046696).

Almost surely, 284230283 is an apocalyptic number.

84230283 is a deficient number, since it is larger than the sum of its proper divisors (28143285).

84230283 is a wasteful number, since it uses less digits than its factorization.

84230283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16633.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 84230283 is about 9177.7057590664. The cubic root of 84230283 is about 438.3517586681.

It can be divided in two parts, 842 and 30283, that added together give a triangular number (31125 = T249).

The spelling of 84230283 in words is "eighty-four million, two hundred thirty thousand, two hundred eighty-three".

Divisors: 1 3 1907 5721 14723 44169 28076761 84230283