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19934650 = 252398693
BaseRepresentation
bin100110000001…
…0110110111010
31101111210012101
41030002312322
520100402100
61551134014
7331304341
oct114026672
941453171
1019934650
111028621a
12681430a
13418c768
14290cb58
151b3b86a
hex1302dba

19934650 has 12 divisors (see below), whose sum is σ = 37078542. Its totient is φ = 7973840.

The previous prime is 19934641. The next prime is 19934689. The reversal of 19934650 is 5643991.

It can be written as a sum of positive squares in 3 ways, for example, as 9803161 + 10131489 = 3131^2 + 3183^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199297 + ... + 199396.

Almost surely, 219934650 is an apocalyptic number.

19934650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19934650 is a deficient number, since it is larger than the sum of its proper divisors (17143892).

19934650 is a wasteful number, since it uses less digits than its factorization.

19934650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398705 (or 398700 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 19934650 is about 4464.8236247359. The cubic root of 19934650 is about 271.1457937479.

It can be divided in two parts, 199346 and 50, that added together give a triangular number (199396 = T631).

The spelling of 19934650 in words is "nineteen million, nine hundred thirty-four thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 398693 797386 1993465 3986930 9967325 19934650