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239072000 = 285331241
BaseRepresentation
bin11100011111111…
…11001100000000
3121122212010010112
432033333030000
5442200301000
635420050452
75632035626
oct1617771400
9548763115
10239072000
11112a4a372
1268093a28
133a6b762b
1423a73516
1515ec6235
hexe3ff300

239072000 has 144 divisors (see below), whose sum is σ = 617320704. Its totient is φ = 92160000.

The previous prime is 239071999. The next prime is 239072011. The reversal of 239072000 is 270932.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991880 + ... + 992120.

Almost surely, 2239072000 is an apocalyptic number.

239072000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239072000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308660352).

239072000 is an abundant number, since it is smaller than the sum of its proper divisors (378248704).

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

239072000 is an equidigital number, since it uses as much as digits as its factorization.

239072000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 239072000 is about 15461.9533048060. The cubic root of 239072000 is about 620.6444911085.

The spelling of 239072000 in words is "two hundred thirty-nine million, seventy-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 125 128 155 160 200 241 248 250 256 310 320 400 482 496 500 620 640 775 800 964 992 1000 1205 1240 1280 1550 1600 1928 1984 2000 2410 2480 3100 3200 3856 3875 3968 4000 4820 4960 6025 6200 6400 7471 7712 7750 7936 8000 9640 9920 12050 12400 14942 15424 15500 16000 19280 19840 24100 24800 29884 30125 30848 31000 32000 37355 38560 39680 48200 49600 59768 60250 61696 62000 74710 77120 96400 99200 119536 120500 124000 149420 154240 186775 192800 198400 239072 241000 248000 298840 308480 373550 385600 478144 482000 496000 597680 747100 771200 933875 956288 964000 992000 1195360 1494200 1542400 1867750 1912576 1928000 2390720 2988400 3735500 3856000 4781440 5976800 7471000 7712000 9562880 11953600 14942000 23907200 29884000 47814400 59768000 119536000 239072000