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20113053 = 365310267
BaseRepresentation
bin100110010111…
…0011010011101
31101211211220220
41030232122131
520122104203
61555031553
7332646432
oct114563235
941754826
1020113053
1110398264
12689b5b9
134222a1c
142957b89
151b74653
hex132e69d

20113053 has 8 divisors (see below), whose sum is σ = 26861088. Its totient is φ = 13386864.

The previous prime is 20113043. The next prime is 20113069. The reversal of 20113053 is 35031102.

It is a happy number.

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

It is not a de Polignac number, because 20113053 - 29 = 20112541 is a prime.

It is a super-4 number, since 4×201130534 (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113013) 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, 3175 + ... + 7092.

It is an arithmetic number, because the mean of its divisors is an integer number (3357636).

Almost surely, 220113053 is an apocalyptic number.

It is an amenable number.

20113053 is a deficient number, since it is larger than the sum of its proper divisors (6748035).

20113053 is a wasteful number, since it uses less digits than its factorization.

20113053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 20113053 is about 4484.7578529950. The cubic root of 20113053 is about 271.9522560736.

Adding to 20113053 its reverse (35031102), we get a palindrome (55144155).

The spelling of 20113053 in words is "twenty million, one hundred thirteen thousand, fifty-three".

Divisors: 1 3 653 1959 10267 30801 6704351 20113053