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20007153 = 3214831499
BaseRepresentation
bin100110001010…
…0100011110001
31101122110122200
41030110203301
520110212103
61552453413
7332025615
oct114244361
941573580
1020007153
1110325741
12684a269
1341b676a
14292b345
151b530a3
hex13148f1

20007153 has 12 divisors (see below), whose sum is σ = 28938000. Its totient is φ = 13320216.

The previous prime is 20007149. The next prime is 20007157. The reversal of 20007153 is 35170002.

It is an interprime number because it is at equal distance from previous prime (20007149) and next prime (20007157).

It is not a de Polignac number, because 20007153 - 22 = 20007149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20007157) 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 11 ways as a sum of consecutive naturals, for example, 12598 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (2411500).

Almost surely, 220007153 is an apocalyptic number.

It is an amenable number.

20007153 is a deficient number, since it is larger than the sum of its proper divisors (8930847).

20007153 is a wasteful number, since it uses less digits than its factorization.

20007153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 20007153 is about 4472.9356132187. The cubic root of 20007153 is about 271.4741181844.

Adding to 20007153 its reverse (35170002), we get a palindrome (55177155).

The spelling of 20007153 in words is "twenty million, seven thousand, one hundred fifty-three".

Divisors: 1 3 9 1483 1499 4449 4497 13347 13491 2223017 6669051 20007153