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19700552 = 231728521
BaseRepresentation
bin100101100100…
…1101101001000
31101001220002002
41023021231020
520020404202
61542130132
7326311004
oct113115510
941056062
1019700552
1110136353
126720948
13410a041
14288b704
151ae2302
hex12c9b48

19700552 has 24 divisors (see below), whose sum is σ = 39243810. Its totient is φ = 9269760.

The previous prime is 19700543. The next prime is 19700557. The reversal of 19700552 is 25500791.

It can be written as a sum of positive squares in 3 ways, for example, as 19483396 + 217156 = 4414^2 + 466^2 .

It is a super-2 number, since 2×197005522 = 776223498209408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19700557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1949 + ... + 6572.

Almost surely, 219700552 is an apocalyptic number.

It is an amenable number.

19700552 is a deficient number, since it is larger than the sum of its proper divisors (19543258).

19700552 is a wasteful number, since it uses less digits than its factorization.

19700552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561 (or 8540 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 19700552 is about 4438.5303874143. The cubic root of 19700552 is about 270.0802322147.

The spelling of 19700552 in words is "nineteen million, seven hundred thousand, five hundred fifty-two".

Divisors: 1 2 4 8 17 34 68 136 289 578 1156 2312 8521 17042 34084 68168 144857 289714 579428 1158856 2462569 4925138 9850276 19700552