Search a number
-
+
799960 = 23572857
BaseRepresentation
bin11000011010011011000
31111122100011
43003103120
5201044320
625051304
76541150
oct3032330
91448304
10799960
114a7027
12326b34
13220165
1416b760
1510c05a
hexc34d8

799960 has 32 divisors (see below), whose sum is σ = 2057760. Its totient is φ = 274176.

The previous prime is 799949. The next prime is 799961. The reversal of 799960 is 69997.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 799960.

It is not an unprimeable number, because it can be changed into a prime (799961) by changing a digit.

799960 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (64305).

2799960 is an apocalyptic number.

799960 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

799960 is an abundant number, since it is smaller than the sum of its proper divisors (1257800).

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

799960 is a wasteful number, since it uses less digits than its factorization.

799960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 799960 is about 894.4048300406. The cubic root of 799960 is about 92.8302294502.

The spelling of 799960 in words is "seven hundred ninety-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 2857 5714 11428 14285 19999 22856 28570 39998 57140 79996 99995 114280 159992 199990 399980 799960