Search a number
-
+
84195672 = 23311279367
BaseRepresentation
bin1010000010010…
…11100101011000
312212102120202020
411001023211120
5133023230142
612204334440
72041436301
oct501134530
9185376666
1084195672
1143587500
1224244420
131459c032
14b2797a8
1575d1cec
hex504b958

84195672 has 96 divisors (see below), whose sum is σ = 234931200. Its totient is φ = 25122240.

The previous prime is 84195667. The next prime is 84195689. The reversal of 84195672 is 27659148.

It is a super-2 number, since 2×841956722 = 14177822367063168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 229233 + ... + 229599.

It is an arithmetic number, because the mean of its divisors is an integer number (2447200).

Almost surely, 284195672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84195672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117465600).

84195672 is an abundant number, since it is smaller than the sum of its proper divisors (150735528).

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

84195672 is a wasteful number, since it uses less digits than its factorization.

84195672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 462 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 84195672 is about 9175.8199633602. The cubic root of 84195672 is about 438.2917095159.

The spelling of 84195672 in words is "eighty-four million, one hundred ninety-five thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 79 88 121 132 158 237 242 264 316 363 367 474 484 632 726 734 869 948 968 1101 1452 1468 1738 1896 2202 2607 2904 2936 3476 4037 4404 5214 6952 8074 8808 9559 10428 12111 16148 19118 20856 24222 28677 28993 32296 38236 44407 48444 57354 57986 76472 86979 88814 96888 114708 115972 133221 173958 177628 229416 231944 266442 318923 347916 355256 532884 637846 695832 956769 1065768 1275692 1913538 2551384 3508153 3827076 7016306 7654152 10524459 14032612 21048918 28065224 42097836 84195672