Search a number
-
+
1916370 = 2325107199
BaseRepresentation
bin111010011110111010010
310121100202200
413103313102
5442310440
6105024030
722201041
oct7236722
93540680
101916370
111099885
12785016
13521361
1437c558
1527cc30
hex1d3dd2

1916370 has 48 divisors (see below), whose sum is σ = 5054400. Its totient is φ = 503712.

The previous prime is 1916363. The next prime is 1916371. The reversal of 1916370 is 736191.

It is not an unprimeable number, because it can be changed into a prime (1916371) 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 23 ways as a sum of consecutive naturals, for example, 9531 + ... + 9729.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

21916370 is an apocalyptic number.

1916370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1916370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2527200).

1916370 is an abundant number, since it is smaller than the sum of its proper divisors (3138030).

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

1916370 is a wasteful number, since it uses less digits than its factorization.

1916370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1916370 is about 1384.3301629308. The cubic root of 1916370 is about 124.2109226704.

It can be divided in two parts, 191 and 6370, that added together give a 8-th power (6561 = 38).

The spelling of 1916370 in words is "one million, nine hundred sixteen thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 107 199 214 321 398 535 597 642 963 995 1070 1194 1605 1791 1926 1990 2985 3210 3582 4815 5970 8955 9630 17910 21293 42586 63879 106465 127758 191637 212930 319395 383274 638790 958185 1916370