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20233696 = 257591531
BaseRepresentation
bin100110100101…
…1110111100000
31102001222102011
41031023313200
520134434241
62001402304
7333661240
oct115136740
942058364
1020233696
111046a96a
126939394
134265902
142989b20
151b9a281
hex134bde0

20233696 has 48 divisors (see below), whose sum is σ = 46327680. Its totient is φ = 8519040.

The previous prime is 20233691. The next prime is 20233739. The reversal of 20233696 is 69633202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233691) 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, 12451 + ... + 13981.

It is an arithmetic number, because the mean of its divisors is an integer number (965160).

Almost surely, 220233696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20233696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23163840).

20233696 is an abundant number, since it is smaller than the sum of its proper divisors (26093984).

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

20233696 is a wasteful number, since it uses less digits than its factorization.

20233696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 20233696 is about 4498.1880796605. The cubic root of 20233696 is about 272.4949178414.

Adding to 20233696 its reverse (69633202), we get a palindrome (89866898).

The spelling of 20233696 in words is "twenty million, two hundred thirty-three thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 59 112 118 224 236 413 472 826 944 1531 1652 1888 3062 3304 6124 6608 10717 12248 13216 21434 24496 42868 48992 85736 90329 171472 180658 342944 361316 632303 722632 1264606 1445264 2529212 2890528 5058424 10116848 20233696