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20044734 = 23171910343
BaseRepresentation
bin100110001110…
…1101110111110
31101201101012120
41030131232332
520112412414
61553343410
7332243313
oct114355676
941641176
1020044734
11103509a6
126867b66
1341ca8b8
14293ad0a
151b5e2a9
hex131dbbe

20044734 has 32 divisors (see below), whose sum is σ = 44686080. Its totient is φ = 5956992.

The previous prime is 20044723. The next prime is 20044747. The reversal of 20044734 is 43744002.

It is a super-2 number, since 2×200447342 = 803582722261512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3234 + ... + 7109.

It is an arithmetic number, because the mean of its divisors is an integer number (1396440).

Almost surely, 220044734 is an apocalyptic number.

20044734 is an abundant number, since it is smaller than the sum of its proper divisors (24641346).

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

20044734 is a wasteful number, since it uses less digits than its factorization.

20044734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10384.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 20044734 is about 4477.1345747029. The cubic root of 20044734 is about 271.6439888899.

Adding to 20044734 its reverse (43744002), we get a palindrome (63788736).

The spelling of 20044734 in words is "twenty million, forty-four thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 646 969 1938 10343 20686 31029 62058 175831 196517 351662 393034 527493 589551 1054986 1179102 3340789 6681578 10022367 20044734