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240023004 = 223131538609
BaseRepresentation
bin11100100111001…
…11010111011100
3121201122102122220
432103213113130
5442421214004
635452305340
75643106344
oct1623472734
9551572586
10240023004
11113539921
1268472250
133a95b460
1423c3dd24
1516112dd9
hexe4e75dc

240023004 has 24 divisors (see below), whose sum is σ = 603135120. Its totient is φ = 73853184.

The previous prime is 240022973. The next prime is 240023059. The reversal of 240023004 is 400320042.

It is a happy number.

It is a super-2 number, since 2×2400230042 = 115222084898368032, which contains 22 as substring.

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, 769149 + ... + 769460.

It is an arithmetic number, because the mean of its divisors is an integer number (25130630).

Almost surely, 2240023004 is an apocalyptic number.

It is an amenable number.

240023004 is an abundant number, since it is smaller than the sum of its proper divisors (363112116).

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

240023004 is a wasteful number, since it uses less digits than its factorization.

240023004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538629 (or 1538627 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 240023004 is about 15492.6758179470. The cubic root of 240023004 is about 621.4663557721.

Adding to 240023004 its reverse (400320042), we get a palindrome (640343046).

The spelling of 240023004 in words is "two hundred forty million, twenty-three thousand, four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1538609 3077218 4615827 6154436 9231654 18463308 20001917 40003834 60005751 80007668 120011502 240023004