Search a number
-
+
2190325620 = 223575215061
BaseRepresentation
bin1000001010001101…
…1011011101110100
312122122111001220010
42002203123131310
513441210404440
61001202140220
7105164313660
oct20243333564
95578431803
102190325620
11a2442206a
12511651670
1328ba25082
1416ac7d8a0
15cc45a580
hex828db774

2190325620 has 48 divisors (see below), whose sum is σ = 7009043328. Its totient is φ = 500645760.

The previous prime is 2190325603. The next prime is 2190325649. The reversal of 2190325620 is 265230912.

2190325620 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2607111 + ... + 2607950.

It is an arithmetic number, because the mean of its divisors is an integer number (146021736).

Almost surely, 22190325620 is an apocalyptic number.

2190325620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2190325620 is an abundant number, since it is smaller than the sum of its proper divisors (4818717708).

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

2190325620 is a wasteful number, since it uses less digits than its factorization.

2190325620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215080 (or 5215078 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2190325620 is about 46800.9147346502. The cubic root of 2190325620 is about 1298.6822188866.

The spelling of 2190325620 in words is "two billion, one hundred ninety million, three hundred twenty-five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 5215061 10430122 15645183 20860244 26075305 31290366 36505427 52150610 62580732 73010854 78225915 104301220 109516281 146021708 156451830 182527135 219032562 312903660 365054270 438065124 547581405 730108540 1095162810 2190325620