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3421214440 = 235712218623
BaseRepresentation
bin1100101111101011…
…1001011011101000
322211102121200220221
43023322321123220
524001312330230
61323252255424
7150531562060
oct31372713350
98742550827
103421214440
1114a6206056
127b5911574
13426a42c57
142465303a0
1515054827a
hexcbeb96e8

3421214440 has 32 divisors (see below), whose sum is σ = 8797409280. Its totient is φ = 1172987712.

The previous prime is 3421214431. The next prime is 3421214441. The reversal of 3421214440 is 444121243.

It is not an unprimeable number, because it can be changed into a prime (3421214441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6109032 + ... + 6109591.

It is an arithmetic number, because the mean of its divisors is an integer number (274919040).

Almost surely, 23421214440 is an apocalyptic number.

It is an amenable number.

3421214440 is an abundant number, since it is smaller than the sum of its proper divisors (5376194840).

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

3421214440 is a wasteful number, since it uses less digits than its factorization.

3421214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12218641 (or 12218637 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 3421214440 is about 58491.1483901624. The cubic root of 3421214440 is about 1506.8155688150.

Adding to 3421214440 its reverse (444121243), we get a palindrome (3865335683).

The spelling of 3421214440 in words is "three billion, four hundred twenty-one million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 12218623 24437246 48874492 61093115 85530361 97748984 122186230 171060722 244372460 342121444 427651805 488744920 684242888 855303610 1710607220 3421214440