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84718960 = 2457391433
BaseRepresentation
bin1010000110010…
…11010101110000
312220102011120021
411003023111300
5133142001320
612223453224
72046046024
oct503132560
9186364507
1084718960
1143904677
1224457214
1314723281
14b374384
157686daa
hex50cb570

84718960 has 40 divisors (see below), whose sum is σ = 197375760. Its totient is φ = 33818112.

The previous prime is 84718951. The next prime is 84718961. The reversal of 84718960 is 6981748.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) 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 (84718961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58404 + ... + 59836.

It is an arithmetic number, because the mean of its divisors is an integer number (4934394).

Almost surely, 284718960 is an apocalyptic number.

84718960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84718960 is an abundant number, since it is smaller than the sum of its proper divisors (112656800).

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

84718960 is a wasteful number, since it uses less digits than its factorization.

84718960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 84718960 is about 9204.2903039832. The cubic root of 84718960 is about 439.1978498086.

The spelling of 84718960 in words is "eighty-four million, seven hundred eighteen thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 739 1433 1478 2866 2956 3695 5732 5912 7165 7390 11464 11824 14330 14780 22928 28660 29560 57320 59120 114640 1058987 2117974 4235948 5294935 8471896 10589870 16943792 21179740 42359480 84718960