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2489012388 = 223419404323
BaseRepresentation
bin1001010001011011…
…0101000010100100
320102110111221010000
42110112311002210
520044141344023
61050552101300
7115452153612
oct22426650244
96373457100
102489012388
111067a89935
12595694830
133088831c5
141987d06b2
15e87aa243
hex945b50a4

2489012388 has 60 divisors (see below), whose sum is σ = 6849248560. Its totient is φ = 786001968.

The previous prime is 2489012353. The next prime is 2489012389. The reversal of 2489012388 is 8832109842.

It is not an unprimeable number, because it can be changed into a prime (2489012389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196006 + ... + 208317.

Almost surely, 22489012388 is an apocalyptic number.

It is an amenable number.

2489012388 is an abundant number, since it is smaller than the sum of its proper divisors (4360236172).

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

2489012388 is a wasteful number, since it uses less digits than its factorization.

2489012388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404358 (or 404347 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 2489012388 is about 49890.0028863499. The cubic root of 2489012388 is about 1355.2175570574.

The spelling of 2489012388 in words is "two billion, four hundred eighty-nine million, twelve thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 228 324 342 513 684 1026 1539 2052 3078 6156 404323 808646 1212969 1617292 2425938 3638907 4851876 7277814 7682137 10916721 14555628 15364274 21833442 23046411 30728548 32750163 43666884 46092822 65500326 69139233 92185644 131000652 138278466 207417699 276556932 414835398 622253097 829670796 1244506194 2489012388