[go: up one dir, main page]

Search a number
-
+
84047448 = 23331112967
BaseRepresentation
bin1010000001001…
…11011001011000
312212011001102110
411000213121120
5133004004243
612201232320
72040251202
oct500473130
9185131373
1084047448
1143496101
12241926a0
1314549724
14b23b772
1575a2e33
hex5027658

84047448 has 32 divisors (see below), whose sum is σ = 216898560. Its totient is φ = 27111840.

The previous prime is 84047443. The next prime is 84047459. The reversal of 84047448 is 84474048.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84047441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55740 + ... + 57227.

It is an arithmetic number, because the mean of its divisors is an integer number (6778080).

Almost surely, 284047448 is an apocalyptic number.

It is an amenable number.

84047448 is an abundant number, since it is smaller than the sum of its proper divisors (132851112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84047448 is a wasteful number, since it uses less digits than its factorization.

84047448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113007 (or 113003 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 84047448 is about 9167.7395250956. The cubic root of 84047448 is about 438.0343585566.

The spelling of 84047448 in words is "eighty-four million, forty-seven thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 112967 225934 338901 451868 677802 903736 1355604 2711208 3501977 7003954 10505931 14007908 21011862 28015816 42023724 84047448