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2289692840 = 23567854363
BaseRepresentation
bin1000100001111001…
…1111000010101000
312220120110110002112
42020132133002220
514142130132330
61015112021452
7110512032221
oct21036370250
95816413075
102289692840
11a75521136
1253a991888
132a64a6846
1417a148248
15d6037795
hex8879f0a8

2289692840 has 32 divisors (see below), whose sum is σ = 5228707680. Its totient is φ = 902206272.

The previous prime is 2289692833. The next prime is 2289692851. The reversal of 2289692840 is 482969822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424502 + ... + 429861.

It is an arithmetic number, because the mean of its divisors is an integer number (163397115).

Almost surely, 22289692840 is an apocalyptic number.

2289692840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2289692840 is an abundant number, since it is smaller than the sum of its proper divisors (2939014840).

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

2289692840 is a wasteful number, since it uses less digits than its factorization.

2289692840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854441 (or 854437 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 2289692840 is about 47850.7349995797. The cubic root of 2289692840 is about 1318.0313552962.

The spelling of 2289692840 in words is "two billion, two hundred eighty-nine million, six hundred ninety-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 854363 1708726 3417452 4271815 6834904 8543630 17087260 34174520 57242321 114484642 228969284 286211605 457938568 572423210 1144846420 2289692840