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238069404 = 22326613039
BaseRepresentation
bin11100011000010…
…10011010011100
3121120222011211100
432030022122130
5441421210104
635342353100
75620361616
oct1614123234
9546864740
10238069404
11112425081
126788b790
133a426191
1423891db6
1515d79139
hexe30a69c

238069404 has 18 divisors (see below), whose sum is σ = 601786640. Its totient is φ = 79356456.

The previous prime is 238069399. The next prime is 238069409. The reversal of 238069404 is 404960832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (238069399) and next prime (238069409).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2380694042 = 113354082241830432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6613039 = 238069404 / (2 + 3 + 8 + 0 + 6 + 9 + 4 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238069409) 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 5 ways as a sum of consecutive naturals, for example, 3306484 + ... + 3306555.

Almost surely, 2238069404 is an apocalyptic number.

It is an amenable number.

238069404 is an abundant number, since it is smaller than the sum of its proper divisors (363717236).

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

238069404 is a wasteful number, since it uses less digits than its factorization.

238069404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613049 (or 6613044 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 238069404 is about 15429.4978531383. The cubic root of 238069404 is about 619.7756767381.

The spelling of 238069404 in words is "two hundred thirty-eight million, sixty-nine thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 6613039 13226078 19839117 26452156 39678234 59517351 79356468 119034702 238069404