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20710054 = 210355027
BaseRepresentation
bin100111100000…
…0001010100110
31102222011212001
41033000022212
520300210204
62015515514
7341014111
oct117001246
942864761
1020710054
1110765852
126b28b9a
1343a1691
142a71578
151c414a4
hex13c02a6

20710054 has 4 divisors (see below), whose sum is σ = 31065084. Its totient is φ = 10355026.

The previous prime is 20710037. The next prime is 20710093. The reversal of 20710054 is 45001702.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5177512 + ... + 5177515.

It is an arithmetic number, because the mean of its divisors is an integer number (7766271).

Almost surely, 220710054 is an apocalyptic number.

20710054 is a deficient number, since it is larger than the sum of its proper divisors (10355030).

20710054 is a wasteful number, since it uses less digits than its factorization.

20710054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355029.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20710054 is about 4550.8300341806. The cubic root of 20710054 is about 274.6167841384.

Adding to 20710054 its reverse (45001702), we get a palindrome (65711756).

The spelling of 20710054 in words is "twenty million, seven hundred ten thousand, fifty-four".

Divisors: 1 2 10355027 20710054