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238853048 = 23722921011
BaseRepresentation
bin11100011110010…
…01101110111000
3121122102222210012
432033021232320
5442121244143
635411241052
75630134400
oct1617115670
9548388705
10238853048
1111290a915
1267ba9188
133a63ba85
1423a17800
1515e81418
hexe3c9bb8

238853048 has 48 divisors (see below), whose sum is σ = 538957800. Its totient is φ = 98831040.

The previous prime is 238853039. The next prime is 238853051. The reversal of 238853048 is 840358832.

It is a junction number, because it is equal to n+sod(n) for n = 238852996 and 238853014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 863 + ... + 21873.

Almost surely, 2238853048 is an apocalyptic number.

238853048 is a gapful number since it is divisible by the number (28) 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 238853048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269478900).

238853048 is an abundant number, since it is smaller than the sum of its proper divisors (300104752).

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

238853048 is a wasteful number, since it uses less digits than its factorization.

238853048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21060 (or 21049 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 238853048 is about 15454.8713356016. The cubic root of 238853048 is about 620.4549626280.

The spelling of 238853048 in words is "two hundred thirty-eight million, eight hundred fifty-three thousand, forty-eight".

Divisors: 1 2 4 7 8 14 28 29 49 56 58 98 116 196 203 232 392 406 812 1421 1624 2842 5684 11368 21011 42022 84044 147077 168088 294154 588308 609319 1029539 1176616 1218638 2059078 2437276 4118156 4265233 4874552 8236312 8530466 17060932 29856631 34121864 59713262 119426524 238853048