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2214690240 = 26357223289
BaseRepresentation
bin1000010000000001…
…0111110111000000
312201100022220212110
42010000113313000
514013430041430
61003432255320
7105611361600
oct20400276700
95640286773
102214690240
11a37153614
12519841540
13293aa5cc9
141701c2c00
15ce66e7b0
hex84017dc0

2214690240 has 504 divisors, whose sum is σ = 8646840720. Its totient is φ = 478765056.

The previous prime is 2214690239. The next prime is 2214690259. The reversal of 2214690240 is 420964122.

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

It is a junction number, because it is equal to n+sod(n) for n = 2214690198 and 2214690207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24884116 + ... + 24884204.

It is an arithmetic number, because the mean of its divisors is an integer number (17156430).

Almost surely, 22214690240 is an apocalyptic number.

2214690240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2214690240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4323420360).

2214690240 is an abundant number, since it is smaller than the sum of its proper divisors (6432150480).

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

2214690240 is a wasteful number, since it uses less digits than its factorization.

2214690240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2214690240 is about 47060.4955350026. The cubic root of 2214690240 is about 1303.4798758717.

The spelling of 2214690240 in words is "two billion, two hundred fourteen million, six hundred ninety thousand, two hundred forty".