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12020053 = 231513461
BaseRepresentation
bin101101110110…
…100101010101
3211121200102011
4231312211111
511034120203
61105344221
7204111613
oct55664525
924550364
1012020053
11686a931
124038071
13264b176
14184c6b3
1510c676d
hexb76955

12020053 has 8 divisors (see below), whose sum is σ = 12629376. Its totient is φ = 11418000.

The previous prime is 12020051. The next prime is 12020083. The reversal of 12020053 is 35002021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020053 - 21 = 12020051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (1578672).

Almost surely, 212020053 is an apocalyptic number.

It is an amenable number.

12020053 is a deficient number, since it is larger than the sum of its proper divisors (609323).

12020053 is a wasteful number, since it uses less digits than its factorization.

12020053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 12020053 is about 3466.9948081876. The cubic root of 12020053 is about 229.0703050663.

Adding to 12020053 its reverse (35002021), we get a palindrome (47022074).

The spelling of 12020053 in words is "twelve million, twenty thousand, fifty-three".

Divisors: 1 23 151 3461 3473 79603 522611 12020053