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2378499420 = 22351121943401
BaseRepresentation
bin1000110111000101…
…0000010101011100
320010202120021211010
42031301100111130
514332343440140
61032003255220
7112640624433
oct21561202534
96122507733
102378499420
111010667900
1256467a510
132bb9cb50b
14187c6411a
15ddc2a880
hex8dc5055c

2378499420 has 288 divisors, whose sum is σ = 7904413440. Its totient is φ = 532224000.

The previous prime is 2378499419. The next prime is 2378499433. The reversal of 2378499420 is 249948732.

It is a self number, because there is not a number n which added to its sum of digits gives 2378499420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5931220 + ... + 5931620.

It is an arithmetic number, because the mean of its divisors is an integer number (27445880).

Almost surely, 22378499420 is an apocalyptic number.

2378499420 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 2378499420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3952206720).

2378499420 is an abundant number, since it is smaller than the sum of its proper divisors (5525914020).

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

2378499420 is a wasteful number, since it uses less digits than its factorization.

2378499420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 2378499420 is about 48769.8618000913. The cubic root of 2378499420 is about 1334.8557910691.

The spelling of 2378499420 in words is "two billion, three hundred seventy-eight million, four hundred ninety-nine thousand, four hundred twenty".