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238345464 = 23374134603
BaseRepresentation
bin11100011010011…
…01110011111000
3121121111012111210
432031031303320
5442004023324
635352323120
75622621510
oct1615156370
9547435453
10238345464
111125a3525
12679a34a0
133a4c1a26
1423924840
1515dd0d29
hexe34dcf8

238345464 has 64 divisors (see below), whose sum is σ = 697616640. Its totient is φ = 66435840.

The previous prime is 238345463. The next prime is 238345469. The reversal of 238345464 is 464543832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238345463) 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, 10414 + ... + 24189.

It is an arithmetic number, because the mean of its divisors is an integer number (10900260).

Almost surely, 2238345464 is an apocalyptic number.

238345464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

238345464 is an abundant number, since it is smaller than the sum of its proper divisors (459271176).

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

238345464 is a wasteful number, since it uses less digits than its factorization.

238345464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34660 (or 34656 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The square root of 238345464 is about 15438.4411130140. The cubic root of 238345464 is about 620.0151435774.

The spelling of 238345464 in words is "two hundred thirty-eight million, three hundred forty-five thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 41 42 56 82 84 123 164 168 246 287 328 492 574 861 984 1148 1722 2296 3444 6888 34603 69206 103809 138412 207618 242221 276824 415236 484442 726663 830472 968884 1418723 1453326 1937768 2837446 2906652 4256169 5674892 5813304 8512338 9931061 11349784 17024676 19862122 29793183 34049352 39724244 59586366 79448488 119172732 238345464