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231062004 = 22332139463
BaseRepresentation
bin11011100010110…
…11100111110100
3121002210011111000
431301123213310
5433122441004
634532243300
75503665105
oct1561334764
9532704430
10231062004
11109479338
1265470530
1338b417a4
142298a3ac
1515442c39
hexdc5b9f4

231062004 has 24 divisors (see below), whose sum is σ = 599049920. Its totient is φ = 77020632.

The previous prime is 231061997. The next prime is 231062017. The reversal of 231062004 is 400260132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069624 + ... + 1069839.

Almost surely, 2231062004 is an apocalyptic number.

It is an amenable number.

231062004 is an abundant number, since it is smaller than the sum of its proper divisors (367987916).

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

231062004 is a wasteful number, since it uses less digits than its factorization.

231062004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139476 (or 2139468 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 231062004 is about 15200.7237985564. The cubic root of 231062004 is about 613.6341371322.

The spelling of 231062004 in words is "two hundred thirty-one million, sixty-two thousand, four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2139463 4278926 6418389 8557852 12836778 19255167 25673556 38510334 57765501 77020668 115531002 231062004