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2489669427 = 371931243151
BaseRepresentation
bin1001010001100101…
…0101011100110011
320102111202022101210
42110121111130303
520044323410202
61051014131203
7115460561310
oct22431253463
96374668353
102489669427
111068398543
12595950b03
13308a5329b
14198921d07
15e8889c6c
hex94655733

2489669427 has 96 divisors (see below), whose sum is σ = 4250357760. Its totient is φ = 1265544000.

The previous prime is 2489669417. The next prime is 2489669447. The reversal of 2489669427 is 7249669842.

2489669427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2489669427 - 212 = 2489665331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (2489669417) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16487802 + ... + 16487952.

It is an arithmetic number, because the mean of its divisors is an integer number (44274560).

Almost surely, 22489669427 is an apocalyptic number.

2489669427 is a deficient number, since it is larger than the sum of its proper divisors (1760688333).

2489669427 is a wasteful number, since it uses less digits than its factorization.

2489669427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 254 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The square root of 2489669427 is about 49896.5873281931. The cubic root of 2489669427 is about 1355.3367947724.

The spelling of 2489669427 in words is "two billion, four hundred eighty-nine million, six hundred sixty-nine thousand, four hundred twenty-seven".

Divisors: 1 3 7 19 21 31 43 57 93 129 133 151 217 301 399 453 589 651 817 903 961 1057 1333 1767 2451 2869 2883 3171 3999 4123 4681 5719 6493 6727 8607 9331 12369 14043 17157 18259 19479 20083 20181 25327 27993 32767 41323 45451 54777 60249 75981 88939 98301 123367 123969 127813 136353 145111 177289 201283 266817 289261 370101 383439 435333 531867 603849 622573 785137 863569 867783 1015777 1408981 1867719 2355411 2590707 2757109 3047331 3824377 4226943 5495959 6239773 8271327 11473131 16487877 18719319 19299763 26770639 43678411 57899289 80311917 118555687 131035233 355667061 829889809 2489669427