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238694004 = 223213748397
BaseRepresentation
bin11100011101000…
…10111001110100
3121122010220121200
432032202321310
5442101202004
635404012500
75625602613
oct1616427164
9548126550
10238694004
1111281137a
1267b31130
133a5b4573
14239b587a
1515e4e239
hexe3a2e74

238694004 has 36 divisors (see below), whose sum is σ = 607782084. Its totient is φ = 78982272.

The previous prime is 238694003. The next prime is 238694009. The reversal of 238694004 is 400496832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 166410000 + 72284004 = 12900^2 + 8502^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 238694004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238694003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19267 + ... + 29130.

Almost surely, 2238694004 is an apocalyptic number.

It is an amenable number.

238694004 is an abundant number, since it is smaller than the sum of its proper divisors (369088080).

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

238694004 is a wasteful number, since it uses less digits than its factorization.

238694004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48544 (or 48539 counting only the distinct ones).

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

The square root of 238694004 is about 15449.7250460971. The cubic root of 238694004 is about 620.3172188695.

The spelling of 238694004 in words is "two hundred thirty-eight million, six hundred ninety-four thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 137 274 411 548 822 1233 1644 2466 4932 48397 96794 145191 193588 290382 435573 580764 871146 1742292 6630389 13260778 19891167 26521556 39782334 59673501 79564668 119347002 238694004