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23404434 = 2311513389
BaseRepresentation
bin101100101000…
…1111110010010
31122001001211220
41121101332102
521442420214
62153345510
7402635334
oct131217622
948031756
1023404434
1112236109
127a08296
134b05ba1
143173454
1520c49a9
hex1651f92

23404434 has 16 divisors (see below), whose sum is σ = 46863360. Its totient is φ = 7792400.

The previous prime is 23404417. The next prime is 23404439. The reversal of 23404434 is 43440432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23404439) 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 7 ways as a sum of consecutive naturals, for example, 5212 + ... + 8600.

It is an arithmetic number, because the mean of its divisors is an integer number (2928960).

Almost surely, 223404434 is an apocalyptic number.

23404434 is an abundant number, since it is smaller than the sum of its proper divisors (23458926).

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

23404434 is a wasteful number, since it uses less digits than its factorization.

23404434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 23404434 is about 4837.8129356146. The cubic root of 23404434 is about 286.0439155346.

Adding to 23404434 its reverse (43440432), we get a palindrome (66844866).

The spelling of 23404434 in words is "twenty-three million, four hundred four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1151 2302 3389 3453 6778 6906 10167 20334 3900739 7801478 11702217 23404434