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2154004234 = 22349195369
BaseRepresentation
bin1000000001100011…
…0111111100001010
312120010010202022121
42000120313330022
513402411113414
6553423441454
7104243506504
oct20030677412
95503122277
102154004234
11a05974298
1250145628a
13284348a25
14166106d74
15c9183724
hex80637f0a

2154004234 has 16 divisors (see below), whose sum is σ = 3378386880. Its totient is φ = 1028067040.

The previous prime is 2154004199. The next prime is 2154004241. The reversal of 2154004234 is 4324004512.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2154004199 and 2154004208.

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, 25099 + ... + 70270.

It is an arithmetic number, because the mean of its divisors is an integer number (211149180).

Almost surely, 22154004234 is an apocalyptic number.

2154004234 is a deficient number, since it is larger than the sum of its proper divisors (1224382646).

2154004234 is a wasteful number, since it uses less digits than its factorization.

2154004234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95885.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2154004234 is about 46411.2511574510. The cubic root of 2154004234 is about 1291.4636420816.

Adding to 2154004234 its reverse (4324004512), we get a palindrome (6478008746).

The spelling of 2154004234 in words is "two billion, one hundred fifty-four million, four thousand, two hundred thirty-four".

Divisors: 1 2 23 46 491 982 11293 22586 95369 190738 2193487 4386974 46826179 93652358 1077002117 2154004234