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238732049 = 1135993527
BaseRepresentation
bin11100011101011…
…00001100010001
3121122012211210202
432032230030101
5442103411144
635404504545
75626121543
oct1616541421
9548184722
10238732049
11112837a16
1267b4b155
133a5c898a
14239c5693
1515e5a64e
hexe3ac311

238732049 has 8 divisors (see below), whose sum is σ = 241315200. Its totient is φ = 236157376.

The previous prime is 238732027. The next prime is 238732051. The reversal of 238732049 is 940237832.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-238732049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238731049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65924 + ... + 69450.

It is an arithmetic number, because the mean of its divisors is an integer number (30164400).

Almost surely, 2238732049 is an apocalyptic number.

It is an amenable number.

238732049 is a deficient number, since it is larger than the sum of its proper divisors (2583151).

238732049 is a wasteful number, since it uses less digits than its factorization.

238732049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 238732049 is about 15450.9562487245. The cubic root of 238732049 is about 620.3501741937.

The spelling of 238732049 in words is "two hundred thirty-eight million, seven hundred thirty-two thousand, forty-nine".

Divisors: 1 113 599 3527 67687 398551 2112673 238732049