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2288420478 = 233169924943
BaseRepresentation
bin1000100001100110…
…1000011001111110
312220111001210202000
42020121220121332
514141313423403
61015024443130
7110465152551
oct21031503176
95814053660
102288420478
11a748321a3
1253a4794a6
132a614c676
14179cd6698
15d5d857a3
hex8866867e

2288420478 has 32 divisors (see below), whose sum is σ = 5088576000. Its totient is φ = 762327288.

The previous prime is 2288420471. The next prime is 2288420501. The reversal of 2288420478 is 8740248822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288420471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79275 + ... + 104217.

It is an arithmetic number, because the mean of its divisors is an integer number (159018000).

Almost surely, 22288420478 is an apocalyptic number.

2288420478 is an abundant number, since it is smaller than the sum of its proper divisors (2800155522).

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

2288420478 is a wasteful number, since it uses less digits than its factorization.

2288420478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26653 (or 26647 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 45.

The square root of 2288420478 is about 47837.4380375873. The cubic root of 2288420478 is about 1317.7871706161.

The spelling of 2288420478 in words is "two billion, two hundred eighty-eight million, four hundred twenty thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 1699 3398 5097 10194 15291 24943 30582 45873 49886 74829 91746 149658 224487 448974 673461 1346922 42378157 84756314 127134471 254268942 381403413 762806826 1144210239 2288420478