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238138010 = 25115340847
BaseRepresentation
bin11100011000110…
…11001010011010
3121121002122221022
432030123022122
5441430404020
635344042442
75621065625
oct1614331232
9547078838
10238138010
11112471680
1267903422
133a44b486
14238acdbc
1515d8e625
hexe31b29a

238138010 has 32 divisors (see below), whose sum is σ = 476451072. Its totient is φ = 84959680.

The previous prime is 238138009. The next prime is 238138013. The reversal of 238138010 is 10831832.

238138010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (238138013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14594 + ... + 26253.

It is an arithmetic number, because the mean of its divisors is an integer number (14889096).

Almost surely, 2238138010 is an apocalyptic number.

238138010 is an abundant number, since it is smaller than the sum of its proper divisors (238313062).

238138010 is a wasteful number, since it uses less digits than its factorization.

238138010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40918.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 238138010 is about 15431.7209020900. The cubic root of 238138010 is about 619.8352059420.

Adding to 238138010 its reverse (10831832), we get a palindrome (248969842).

The spelling of 238138010 in words is "two hundred thirty-eight million, one hundred thirty-eight thousand, ten".

Divisors: 1 2 5 10 11 22 53 55 106 110 265 530 583 1166 2915 5830 40847 81694 204235 408470 449317 898634 2164891 2246585 4329782 4493170 10824455 21648910 23813801 47627602 119069005 238138010