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238023104 = 26111991699
BaseRepresentation
bin11100010111111…
…11000111000000
3121120212211022112
432023333013000
5441413214404
635341354452
75620106624
oct1613770700
9546784275
10238023104
111123a3310
1267868a28
133a40b097
142387d184
1515d6a56e
hexe2ff1c0

238023104 has 56 divisors (see below), whose sum is σ = 518160000. Its totient is φ = 107585280.

The previous prime is 238023101. The next prime is 238023119. The reversal of 238023104 is 401320832.

It is a self number, because there is not a number n which added to its sum of digits gives 238023104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238023101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139247 + ... + 140945.

Almost surely, 2238023104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238023104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259080000).

238023104 is an abundant number, since it is smaller than the sum of its proper divisors (280136896).

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

238023104 is a wasteful number, since it uses less digits than its factorization.

238023104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 238023104 is about 15427.9974073112. The cubic root of 238023104 is about 619.7354959143.

Adding to 238023104 its reverse (401320832), we get a palindrome (639343936).

The spelling of 238023104 in words is "two hundred thirty-eight million, twenty-three thousand, one hundred four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 199 352 398 704 796 1592 1699 2189 3184 3398 4378 6368 6796 8756 12736 13592 17512 18689 27184 35024 37378 54368 70048 74756 108736 140096 149512 299024 338101 598048 676202 1196096 1352404 2704808 3719111 5409616 7438222 10819232 14876444 21638464 29752888 59505776 119011552 238023104