Search a number
-
+
319193980 = 22573173547
BaseRepresentation
bin10011000001101…
…000001101111100
3211020121201211021
4103001220031330
51123203201410
651401233524
710624050460
oct2301501574
9736551737
10319193980
111541a4186
128aa928a4
135118b3a1
143056c4a0
151d050eda
hex1306837c

319193980 has 48 divisors (see below), whose sum is σ = 790788096. Its totient is φ = 105906240.

The previous prime is 319193951. The next prime is 319193983. The reversal of 319193980 is 89391913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319193983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32434 + ... + 41113.

It is an arithmetic number, because the mean of its divisors is an integer number (16474752).

Almost surely, 2319193980 is an apocalyptic number.

It is an amenable number.

319193980 is an abundant number, since it is smaller than the sum of its proper divisors (471594116).

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

319193980 is a wasteful number, since it uses less digits than its factorization.

319193980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73594 (or 73592 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 319193980 is about 17866.0006716668. Note that the first 3 decimals coincide. The cubic root of 319193980 is about 683.4156146541.

The spelling of 319193980 in words is "three hundred nineteen million, one hundred ninety-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340 73547 147094 294188 367735 514829 735470 1029658 1470940 2059316 2279957 2574145 4559914 5148290 9119828 10296580 11399785 15959699 22799570 31919398 45599140 63838796 79798495 159596990 319193980