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7973868 = 2237271191
BaseRepresentation
bin11110011010101111101100
3120000010002110
4132122233230
54020130433
6442524020
7124530300
oct36325754
916003073
107973868
114556981
122806610
131862586
1410b7d00
15a77963
hex79abec

7973868 has 72 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 2234400.

The previous prime is 7973837. The next prime is 7973881. The reversal of 7973868 is 8683797.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41653 + ... + 41843.

It is an arithmetic number, because the mean of its divisors is an integer number (306432).

Almost surely, 27973868 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 7973868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11031552).

7973868 is an abundant number, since it is smaller than the sum of its proper divisors (14089236).

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

7973868 is a wasteful number, since it uses less digits than its factorization.

7973868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 274 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 7973868 is about 2823.8038175482. The cubic root of 7973868 is about 199.7819957905.

The spelling of 7973868 in words is "seven million, nine hundred seventy-three thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 71 84 98 142 147 191 196 213 284 294 382 426 497 573 588 764 852 994 1146 1337 1491 1988 2292 2674 2982 3479 4011 5348 5964 6958 8022 9359 10437 13561 13916 16044 18718 20874 27122 28077 37436 40683 41748 54244 56154 81366 94927 112308 162732 189854 284781 379708 569562 664489 1139124 1328978 1993467 2657956 3986934 7973868