Search a number
-
+
2192909340 = 223537987797
BaseRepresentation
bin1000001010110101…
…0010010000011100
312122211100100002110
42002231102100130
513442341044330
61001333354020
7105225264456
oct20255222034
95584310073
102192909340
11a25927276
12512498910
1328c41b0bb
1416b3532d6
15cc7badb0
hex82b5241c

2192909340 has 48 divisors (see below), whose sum is σ = 6306102432. Its totient is φ = 568970496.

The previous prime is 2192909293. The next prime is 2192909351. The reversal of 2192909340 is 439092912.

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, 491679 + ... + 496118.

It is an arithmetic number, because the mean of its divisors is an integer number (131377134).

Almost surely, 22192909340 is an apocalyptic number.

2192909340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2192909340 is an abundant number, since it is smaller than the sum of its proper divisors (4113193092).

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

2192909340 is a wasteful number, since it uses less digits than its factorization.

2192909340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987846 (or 987844 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 2192909340 is about 46828.5099058255. The cubic root of 2192909340 is about 1299.1926624319.

The spelling of 2192909340 in words is "two billion, one hundred ninety-two million, nine hundred nine thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 987797 1975594 2963391 3951188 4938985 5926782 9877970 11853564 14816955 19755940 29633910 36548489 59267820 73096978 109645467 146193956 182742445 219290934 365484890 438581868 548227335 730969780 1096454670 2192909340