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84893872 = 247331499
BaseRepresentation
bin1010000111101…
…10000010110000
312220202001111111
411003312002300
5133213100442
612231323104
72050405000
oct503660260
9186661444
1084893872
1143a14028
1224520494
1314784a7b
14b3bc000
1576bdb17
hex50f60b0

84893872 has 80 divisors (see below), whose sum is σ = 198400000. Its totient is φ = 35138880.

The previous prime is 84893857. The next prime is 84893917. The reversal of 84893872 is 27839848.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 15 ways as a sum of consecutive naturals, for example, 169879 + ... + 170377.

It is an arithmetic number, because the mean of its divisors is an integer number (2480000).

Almost surely, 284893872 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 84893872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99200000).

84893872 is an abundant number, since it is smaller than the sum of its proper divisors (113506128).

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

84893872 is a wasteful number, since it uses less digits than its factorization.

84893872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 539 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 84893872 is about 9213.7870607042. The cubic root of 84893872 is about 439.4999001261.

The spelling of 84893872 in words is "eighty-four million, eight hundred ninety-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 31 49 56 62 98 112 124 196 217 248 343 392 434 496 499 686 784 868 998 1372 1519 1736 1996 2744 3038 3472 3493 3992 5488 6076 6986 7984 10633 12152 13972 15469 21266 24304 24451 27944 30938 42532 48902 55888 61876 85064 97804 108283 123752 170128 171157 195608 216566 247504 342314 391216 433132 684628 757981 866264 1369256 1515962 1732528 2738512 3031924 5305867 6063848 10611734 12127696 21223468 42446936 84893872