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22840960428 = 2232112132192371
BaseRepresentation
bin10101010001011011…
…010110010110101100
32011221211022000022100
4111101123112112230
5333234241213203
614254253015100
71436006650236
oct252133262654
964854260270
1022840960428
119761143700
124515484490
132200146900
14116972d256
158da396ea3
hex5516d65ac

22840960428 has 648 divisors, whose sum is σ = 76545181440. Its totient is φ = 5708102400.

The previous prime is 22840960397. The next prime is 22840960459. The reversal of 22840960428 is 82406904822.

It is an interprime number because it is at equal distance from previous prime (22840960397) and next prime (22840960459).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 321703633 + ... + 321703703.

It is an arithmetic number, because the mean of its divisors is an integer number (118125280).

Almost surely, 222840960428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22840960428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38272590720).

22840960428 is an abundant number, since it is smaller than the sum of its proper divisors (53704221012).

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

22840960428 is a wasteful number, since it uses less digits than its factorization.

22840960428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 22840960428 in words is "twenty-two billion, eight hundred forty million, nine hundred sixty thousand, four hundred twenty-eight".