Search a number
-
+
2212209140 = 225195821603
BaseRepresentation
bin1000001111011011…
…1010000111110100
312201011122212102212
42003312322013310
514012311143030
61003303152552
7105551316221
oct20366720764
95634585385
102212209140
11a35809519
12518a45758
132934178bb
1416db38948
15ce32e595
hex83dba1f4

2212209140 has 24 divisors (see below), whose sum is σ = 4890147360. Its totient is φ = 838310688.

The previous prime is 2212209127. The next prime is 2212209143. The reversal of 2212209140 is 419022122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212209143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2910422 + ... + 2911181.

It is an arithmetic number, because the mean of its divisors is an integer number (203756140).

Almost surely, 22212209140 is an apocalyptic number.

2212209140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212209140 is an abundant number, since it is smaller than the sum of its proper divisors (2677938220).

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

2212209140 is a wasteful number, since it uses less digits than its factorization.

2212209140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821631 (or 5821629 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2212209140 is about 47034.1273970295. The cubic root of 2212209140 is about 1302.9929345811.

The spelling of 2212209140 in words is "two billion, two hundred twelve million, two hundred nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 5821603 11643206 23286412 29108015 58216030 110610457 116432060 221220914 442441828 553052285 1106104570 2212209140