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238423200 = 25352412423
BaseRepresentation
bin11100011011000…
…00110010100000
3121121122011010220
432031200302200
5442014020300
635354123040
75623364241
oct1615406240
9547564126
10238423200
11112646974
1267a20480
133a51b222
1423944cc8
1515de8da0
hexe360ca0

238423200 has 144 divisors (see below), whose sum is σ = 795324096. Its totient is φ = 62003200.

The previous prime is 238423193. The next prime is 238423219. The reversal of 238423200 is 2324832.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97189 + ... + 99611.

It is an arithmetic number, because the mean of its divisors is an integer number (5523084).

Almost surely, 2238423200 is an apocalyptic number.

238423200 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 238423200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397662048).

238423200 is an abundant number, since it is smaller than the sum of its proper divisors (556900896).

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

238423200 is a wasteful number, since it uses less digits than its factorization.

238423200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 238423200 is about 15440.9585194702. The cubic root of 238423200 is about 620.0825419068.

The spelling of 238423200 in words is "two hundred thirty-eight million, four hundred twenty-three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 41 48 50 60 75 80 82 96 100 120 123 150 160 164 200 205 240 246 300 328 400 410 480 492 600 615 656 800 820 984 1025 1200 1230 1312 1640 1968 2050 2400 2423 2460 3075 3280 3936 4100 4846 4920 6150 6560 7269 8200 9692 9840 12115 12300 14538 16400 19384 19680 24230 24600 29076 32800 36345 38768 48460 49200 58152 60575 72690 77536 96920 98400 99343 116304 121150 145380 181725 193840 198686 232608 242300 290760 298029 363450 387680 397372 484600 496715 581520 596058 726900 794744 969200 993430 1163040 1192116 1453800 1490145 1589488 1938400 1986860 2384232 2483575 2907600 2980290 3178976 3973720 4768464 4967150 5815200 5960580 7450725 7947440 9536928 9934300 11921160 14901450 15894880 19868600 23842320 29802900 39737200 47684640 59605800 79474400 119211600 238423200