Search a number
-
+
84249310 = 2571118661
BaseRepresentation
bin1010000010110…
…00101011011110
312212112022022211
411001120223132
5133031434220
612205431034
72042051545
oct501305336
9185468284
1084249310
1143613832
122426b47a
13145ba582
14b29115c
1575e2b5a
hex5058ade

84249310 has 16 divisors (see below), whose sum is σ = 153785952. Its totient is φ = 33224800.

The previous prime is 84249307. The next prime is 84249311. The reversal of 84249310 is 1394248.

It is a super-2 number, since 2×842493102 = 14195892470952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84249311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58621 + ... + 60040.

It is an arithmetic number, because the mean of its divisors is an integer number (9611622).

Almost surely, 284249310 is an apocalyptic number.

84249310 is a deficient number, since it is larger than the sum of its proper divisors (69536642).

84249310 is a wasteful number, since it uses less digits than its factorization.

84249310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118739.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 84249310 is about 9178.7422885709. The cubic root of 84249310 is about 438.3847629934.

The spelling of 84249310 in words is "eighty-four million, two hundred forty-nine thousand, three hundred ten".

Divisors: 1 2 5 10 71 142 355 710 118661 237322 593305 1186610 8424931 16849862 42124655 84249310