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87373968 = 243111271303
BaseRepresentation
bin1010011010100…
…11100010010000
320002102001112220
411031103202100
5134331431333
612400421040
72110444413
oct515234220
9202361486
1087373968
11453583a0
1225317780
1315142896
14b865b7a
157a0d8b3
hex5353890

87373968 has 80 divisors (see below), whose sum is σ = 248365056. Its totient is φ = 26248320.

The previous prime is 87373967. The next prime is 87373969. The reversal of 87373968 is 86937378.

It is an interprime number because it is at equal distance from previous prime (87373967) and next prime (87373969).

It is a self number, because there is not a number n which added to its sum of digits gives 87373968.

It is not an unprimeable number, because it can be changed into a prime (87373961) by changing a digit.

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, 66405 + ... + 67707.

Almost surely, 287373968 is an apocalyptic number.

87373968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87373968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124182528).

87373968 is an abundant number, since it is smaller than the sum of its proper divisors (160991088).

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

87373968 is a wasteful number, since it uses less digits than its factorization.

87373968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452 (or 1446 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 87373968 is about 9347.4043455924. The cubic root of 87373968 is about 443.7387473705.

The spelling of 87373968 in words is "eighty-seven million, three hundred seventy-three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 127 132 176 254 264 381 508 528 762 1016 1303 1397 1524 2032 2606 2794 3048 3909 4191 5212 5588 6096 7818 8382 10424 11176 14333 15636 16764 20848 22352 28666 31272 33528 42999 57332 62544 67056 85998 114664 165481 171996 229328 330962 343992 496443 661924 687984 992886 1323848 1820291 1985772 2647696 3640582 3971544 5460873 7281164 7943088 10921746 14562328 21843492 29124656 43686984 87373968