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239028426 = 232713731999
BaseRepresentation
bin11100011111101…
…00100011001010
3121122202220100200
432033310203022
5442142402201
635415113030
75631464610
oct1617644312
9548686320
10239028426
11112a1a65a
1268072776
133a6a0850
1423a616b0
1515eb8386
hexe3f48ca

239028426 has 96 divisors (see below), whose sum is σ = 646464000. Its totient is φ = 62145792.

The previous prime is 239028373. The next prime is 239028487. The reversal of 239028426 is 624820932.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118575 + ... + 120573.

It is an arithmetic number, because the mean of its divisors is an integer number (6734000).

Almost surely, 2239028426 is an apocalyptic number.

239028426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 239028426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323232000).

239028426 is an abundant number, since it is smaller than the sum of its proper divisors (407435574).

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

239028426 is a wasteful number, since it uses less digits than its factorization.

239028426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 239028426 is about 15460.5441689483. The cubic root of 239028426 is about 620.6067819578.

The spelling of 239028426 in words is "two hundred thirty-nine million, twenty-eight thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 63 73 78 91 117 126 146 182 219 234 273 438 511 546 657 819 949 1022 1314 1533 1638 1898 1999 2847 3066 3998 4599 5694 5997 6643 8541 9198 11994 13286 13993 17082 17991 19929 25987 27986 35982 39858 41979 51974 59787 77961 83958 119574 125937 145927 155922 181909 233883 251874 291854 363818 437781 467766 545727 875562 1021489 1091454 1313343 1637181 1897051 2042978 2626686 3064467 3274362 3794102 5691153 6128934 9193401 11382306 13279357 17073459 18386802 26558714 34146918 39838071 79676142 119514213 239028426