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238543401 = 3517115377
BaseRepresentation
bin11100011011111…
…10001000101001
3121121212021000210
432031332020221
5442031342101
635400451333
75624404545
oct1615761051
9547767023
10238543401
11112719208
1267a79b49
133a560b55
1423976a25
1515e1e7d6
hexe37e229

238543401 has 8 divisors (see below), whose sum is σ = 318140064. Its totient is φ = 158987840.

The previous prime is 238543399. The next prime is 238543421. The reversal of 238543401 is 104345832.

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

It is a cyclic number.

It is not a de Polignac number, because 238543401 - 21 = 238543399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238543421) 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, 7825 + ... + 23201.

It is an arithmetic number, because the mean of its divisors is an integer number (39767508).

Almost surely, 2238543401 is an apocalyptic number.

It is an amenable number.

238543401 is a deficient number, since it is larger than the sum of its proper divisors (79596663).

238543401 is a wasteful number, since it uses less digits than its factorization.

238543401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20551.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 238543401 is about 15444.8503068175. The cubic root of 238543401 is about 620.1867292225.

The spelling of 238543401 in words is "two hundred thirty-eight million, five hundred forty-three thousand, four hundred one".

Divisors: 1 3 5171 15377 15513 46131 79514467 238543401