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238040472 = 2339918353
BaseRepresentation
bin11100011000000…
…11010110011000
3121120220201010210
432030003112120
5441414243342
635342011120
75620211355
oct1614032630
9546821123
10238040472
1111240536a
1267876aa0
133a415c67
142388562c
1515d7079c
hexe303598

238040472 has 16 divisors (see below), whose sum is σ = 595101240. Its totient is φ = 79346816.

The previous prime is 238040471. The next prime is 238040479. The reversal of 238040472 is 274040832.

238040472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238040471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4959153 + ... + 4959200.

Almost surely, 2238040472 is an apocalyptic number.

It is an amenable number.

238040472 is an abundant number, since it is smaller than the sum of its proper divisors (357060768).

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

238040472 is a wasteful number, since it uses less digits than its factorization.

238040472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918362 (or 9918358 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 238040472 is about 15428.5602698372. The cubic root of 238040472 is about 619.7505691070.

The spelling of 238040472 in words is "two hundred thirty-eight million, forty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 9918353 19836706 29755059 39673412 59510118 79346824 119020236 238040472