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19024029 = 322972889
BaseRepresentation
bin100100010010…
…0100010011101
31022210112001200
41020210202131
514332232104
61515430113
7320462433
oct110444235
938715050
1019024029
11a814042
126455339
133c3112b
142752d53
151a0bb39
hex122489d

19024029 has 12 divisors (see below), whose sum is σ = 28427100. Its totient is φ = 12245184.

The previous prime is 19024001. The next prime is 19024051. The reversal of 19024029 is 92042091.

It can be written as a sum of positive squares in 2 ways, for example, as 14175225 + 4848804 = 3765^2 + 2202^2 .

It is not a de Polignac number, because 19024029 - 28 = 19023773 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 19023993 and 19024011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19024079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36184 + ... + 36705.

It is an arithmetic number, because the mean of its divisors is an integer number (2368925).

Almost surely, 219024029 is an apocalyptic number.

It is an amenable number.

19024029 is a deficient number, since it is larger than the sum of its proper divisors (9403071).

19024029 is a wasteful number, since it uses less digits than its factorization.

19024029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72924 (or 72921 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 19024029 is about 4361.6543879588. The cubic root of 19024029 is about 266.9526069987.

The spelling of 19024029 in words is "nineteen million, twenty-four thousand, twenty-nine".

Divisors: 1 3 9 29 87 261 72889 218667 656001 2113781 6341343 19024029