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238302830 = 2523830283
BaseRepresentation
bin11100011010000…
…11011001101110
3121121102001000202
432031003121232
5442001142310
635351353502
75622353303
oct1615033156
9547361022
10238302830
11112574497
1267982892
133a4a84bc
14239130aa
1515dc33a5
hexe34366e

238302830 has 8 divisors (see below), whose sum is σ = 428945112. Its totient is φ = 95321128.

The previous prime is 238302791. The next prime is 238302871. The reversal of 238302830 is 38203832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 238302793 and 238302802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11915132 + ... + 11915151.

It is an arithmetic number, because the mean of its divisors is an integer number (53618139).

Almost surely, 2238302830 is an apocalyptic number.

238302830 is a deficient number, since it is larger than the sum of its proper divisors (190642282).

238302830 is a wasteful number, since it uses less digits than its factorization.

238302830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23830290.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 238302830 is about 15437.0602771383. The cubic root of 238302830 is about 619.9781730089.

The spelling of 238302830 in words is "two hundred thirty-eight million, three hundred two thousand, eight hundred thirty".

Divisors: 1 2 5 10 23830283 47660566 119151415 238302830