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238990532 = 221131832111
BaseRepresentation
bin11100011111010…
…11010011000100
3121122200222101012
432033223103010
5442140144112
635414221352
75631246254
oct1617532304
9548628335
10238990532
111129a4140
1268054858
133a689521
1423a51964
1515eac022
hexe3eb4c4

238990532 has 48 divisors (see below), whose sum is σ = 476872704. Its totient is φ = 103812000.

The previous prime is 238990529. The next prime is 238990547. The reversal of 238990532 is 235099832.

It is a self number, because there is not a number n which added to its sum of digits gives 238990532.

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, 112157 + ... + 114267.

It is an arithmetic number, because the mean of its divisors is an integer number (9934848).

Almost surely, 2238990532 is an apocalyptic number.

238990532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238990532 is a deficient number, since it is larger than the sum of its proper divisors (237882172).

238990532 is a wasteful number, since it uses less digits than its factorization.

238990532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 238990532 is about 15459.3186137035. The cubic root of 238990532 is about 620.5739845807.

The spelling of 238990532 in words is "two hundred thirty-eight million, nine hundred ninety thousand, five hundred thirty-two".

Divisors: 1 2 4 11 22 31 44 62 83 124 166 332 341 682 913 1364 1826 2111 2573 3652 4222 5146 8444 10292 23221 28303 46442 56606 65441 92884 113212 130882 175213 261764 350426 700852 719851 1439702 1927343 2879404 3854686 5431603 7709372 10863206 21726412 59747633 119495266 238990532